05-简便计算_伤城文章网
计算――简便计算 计算――简便计算 ――-1-(01) (02) (03) (04) (05) (06) (07) (08) (09) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23) (24) (25)(0.125＋12.5＋100)×8 (0.25＋2.5＋250)×4 (0.4×8)×(2.5＋12.5) (0.5＋1.25)×8 (0.8＋0.8＋0.8＋0.8)×12.5×0.5 (0.8＋0.8＋0.8＋0.8)×125＋25 (0.87＋0.87＋0.87＋0.87)×0.25 (1.25＋2.5＋0.25)×0.4 (1.25×2.7×5.1)÷(8.1×0.25×1.7) (1.6＋1.6＋1.6＋1.6)×1.25 (1×2×3×4×5×6＋6×7×8×9×10×11)÷(1×2×3×4×5×6) (1÷0.4＋1÷8)×4 (111＋1.25)×8 (2.5＋2.5＋2.5＋2.5＋2.5)×8.8 (2.5×4.25＋4.25×2.5)×0.4 (2.5×8.8＋2.5×0.8)×1.25 (25＋250)×0.4＋3.2×1.25 (3.6＋3.6×2＋3.6)×2.5 (6.2×1.25＋1.25×2.6)÷2.2 (65＋65×2＋65)×25 (7.2＋7.2×5＋7.2×2)×1.25 (9.5＋9.5×4＋9.5×3)×12.5 0.125×0.25×0.5×6.4 0.125×2.5×64 0.125×6.4×2.5计算――简便计算 计算――简便计算 ――-2-(26) (27) (28) (29) (30) (31) (32) (33) (34) (35) (36) (37) (38) (39) (40) (41) (42) (43) (44) (45) (46) (47) (48) (49) (50)0.25×(0.04＋8) 0.25×0.07×0.4 0.25×12.5×4×0.8 0.25×3.2×(18.7－6.2) 0.25×9.3×0.4 0.36×82＋18×0.36 0.45×3.2×1.25 0.456×98＋0.456＋0.456 0.48÷0.25 0.56×0.56＋0.56×0.44 0.8×0.4×1.25×2.5 0.91×2.5＋0.91×7.6－0.91×0.1 0.92×12.5 0.99×1.01 1.02×9.9 1.2×16.1＋1.2×73.9 1.23×2.23＋1.23×4.44＋6.67×8.77 1.25×(0.8＋0.8＋0.8＋0.8)×0.25 1.25×(8－4)×0.25 1.25×0.32×0.25 1.25×0.9×1.6×0.5 1.25×2.5×(8＋0.4) 1.25×3.5＋5.5×1.25－1.25 1.25×6.4×0.25 1.37×9.9＋0.137计算――简便计算 计算――简便计算 ――-3-(51) (52) (53) (54) (55) (56) (57) (58) (59) (60) (61) (62) (63) (64) (65) (66) (67) (68) (69) (70) (71) (72) (73) (74) (75)1.375＋2.375＋3.375＋4.375 1.4×3.65＋1.4×5.35＋0.07×20 1.6÷1.25 1.6÷2.5 1.7×3.2×0.25×12.5 1.84÷1.25 1÷4÷8÷0.25÷1.25 10.1×26－1.25×26×8 101×43 11×4.2－11＋6.8×11 110×4×0.25×0.7 1＋7 12.5×(81×1.7＋8.1×8.3) 12.5×0.7×0.32×25 12.5×2－2.6＋12.5×5－2.4＋12.5 12.5×5.6－12.5＋12.5×3.4 12.5×6.4×0.25 12.5×7.8×2.2 12.5×9.6×0.25 125×(80＋4)×250 125×2.5×3.2 125×320×250×17 125×87－55×125 13×74＋12×74＋25×26 14.5＋7.65×4＋25.5＋2.35×4＋40计算――简便计算 计算――简便计算 ――-4-(76) (77) (78) (79) (80) (81) (82) (83) (84) (85) (86) (87) (88) (89) (90) (91) (92) (93) (94) (95) (96) (97) (98) (99)14.6＋24.6＋34.6＋44.6＋54.6 14×63＋18×63＋32×37 15.6×8.1＋1.56×18＋15.6×0.1 15÷1.25 150×4×250×6 17.8×640－56×178－0.3×÷(1.78×0.4) 17.8－12.38＋7.62 18.11＋1.36－3.28＋3.64－4.72 18.16－4.53－5.47＋1.84 18.6－9.3－1.6－2.7 18×32.9－18＋68.1×18 －.02×2.5 2.17＋2.17×7.5＋1.5×2.17 2.19×0.4×5×0.5 2.25×0.16＋26.4×0.225 2.3×7.8＋9.9×7.7＋2.3×2.1 2.4×2.5＋2.4×1.25 2.5×(1.08＋2.12)×12.5 2.5×(19＋19＋19＋19) 2.5×(6.1－0.26)×0.4 2.5×1.25×(5－1.8) 2.5×4.25＋2.5×4.25＋2.5×4.25＋2.5×4.25(100) 2.5×6.4×12.5计算――简便计算 计算――简便计算 ――-5-(101) 2.54×2.54＋2.54×1.37＋7.46×3.91 (102) 2.8×7.5＋75×0.72 (103) 2.9×2.9－2.9＋8.1×2.9 (104) 2.98＋2.98×71.5＋2.98×27.5 (105) 2.98×1.25×(4－0.8)×0.25 (106) 99－99 (107) 6688÷(3344) (108) 23.62－(17.05－6.38)－2.95 (109) 24.6×1.7＋12.3×2.6＋49.2 (110) 24×36＋36×75＋36 (111) 25.125×8 (112) 25×0.32×1.25 (113) 25×24×125×16 (114) 2500×(99＋99＋4＋99＋99)×0.04 (115) 267×27.6＋267×3.4－267 (116) 27.631＋(5.76＋3.379)＋4.24 (117) 3.14×27＋3.14×74―3.14 (118) 3.15×12.8－3.15＋89.2×3.15 (119) 3.2×1.25＋2.5 (120) 3.2×3.2＋3.2×6.9－3.2×0.2 (121) 3.2×56×1.25×2.5 (122) 3.2×6.8－3.2＋4.2×3.2 (123) 3.24×3.24＋3.24＋5.76×3.24 (124) 3.24×3.24－3.24＋6.76×2.24 (125) 3.28×9.9计算――简便计算 计算――简便计算 ――-6-(126) 3.48×3.48＋3.48×6.42＋0.348 (127) 3.5×0.45＋3.5＋6.55×3.5 (128) 3.65×10.01 (129) 3.7×11.3＋3.7×78.7 (130) 3.7－3×0.37－3.7×0.6 (131) 3.75＋84.6＋16.25 (132) 3.75×9.9＋3.75×11.1－3.75 (133) 3.8×8.4＋8.4×7.2 (134) 3.846×84＋3.846×15＋3.846 (135) 3.85×1.2＋98×0.385－3.85 (136) 3.87×2.5×4 (137) 3.9×4.5＋3.9×5.4＋0.39 (138) 3.9×6.7＋6.7×7.1 (139) 3.92×4.7－3.92＋3.92×6.3 (140) 3.98＋7.2＋0.02 (141) 3＋33＋333＋…＋2) 31.4×6.25－0.314＋3.14×37.6 (143) 31.62＋16.96＋58.38－6.96 (144) 317×59＋59×683 (145) 36.8×3.1－3.1＋3.1×63.2 (146) 371×371＋1 (147) 4.23×4.78＋4.23×3.22＋8.46 (148) 4.28×3.27＋4.28×5.64＋8.91×5.72 (149) 4.28－3.7＋0.72－0.3 (150) 4.38×4.38＋4.38×2.76＋7.14×5.62计算――简便计算 计算――简便计算 ――-7-(151) 4.4×5.8＋4.4×5.8－8.8×0.8 (152) 4.5＋5.5×4.5－5.5×4.5 (153) 4.7×5.3＋4.7×2.9＋4.7×0.9 (154) 4.78×4.78－4.78＋4.78×6.22 (155) 4.8×1.56－0.8×0.55×6－0.048 (156) 4×0.8×0.25×12.5 (157) 401×0.32 (158) 48×1.23＋1.23×51＋1.23 (159) 48×2.31＋2.31×53－2.31 (160) 5.37＋3.72＋4.63＋0.28 (161) 5.4×101 (162) 5.4×6.69＋6.69×4.6 (163) 5.5＋4.5×47－5.5 (164) 5.6＋6.2×5.6＋5.6×2.8 (165) 5.84×0.69＋0.69×4.16 (166) 50×10.49×0.02 (167) 52.4×0.78＋7.8×4.76 (168) 58×64－58＋37×58 (169) .45×394.5 (170) 6.08×10.1＋6.08－6.08×1.1 (171) 6.125÷0.125÷0.8 (172) 6.24÷(3.12×0.5) (173) 6.3×7.52＋7.52×3.7 (174) 6.4×0.29＋6.4＋6.4×8.71 (175) 6.4×1.73×1.25计算――简便计算 计算――简便计算 ――-8-(176) 6.45×6.45－6.45＋4.55×6.45 (177) 6.5×6.5＋6.5×3.5 (178) 6.78＋3.54＋93.22＋6.46 (179) 63×36＋36＋36×35 (180) 67×67＋67×34 (181) 7.2×1.02 (182) 7.2×1.25＋0.25×16 (183) 7.2×9.7＋97×0.28 (184) 7.23×8.25＋10.75×7.23－19×7.23 (185) 7.26×7.26＋7.26＋1.74×7.26 (186) 7.36＋(4.5＋2.64)＋6.5 (187) 7.4×(3.24＋4.36)＋2.4×7.4 (188) 7.48－2.45＋9.32－7.35 (189) 7.6×4.8－7.6＋6.2×7.6 (190) 7.8÷(2.5×3.9) (191) 7÷1.25 (192) 74×38＋54×74－92×64 (193) 76.2×76.2－76.2＋76.2×24.8 (194) 78.4×78.4＋78.4×22.6 (195) 8.2×3.2＋3.2－3.2×9.1 (196) 8.3×6.2＋8.3×38 (197) 8.4×1.92＋8.4×8.18－0.84 (198) 8.6×0.99 (199) 8.8×1.7×1.25 (200) 8.8×2.6＋8.8＋8.8×8.9计算――简便计算 计算――简便计算 ――-9-(201) 8.88×1.25 (202) 8.938－(2.938－1.569)＋7.431 (203) 9.1÷1.25 (204) 9.2×14.7＋9.2×2.3＋17×90.8 (205) 9.4÷0.25÷0.4 (206) 9.5＋19.5＋29.5＋39.5＋2 (207) 9.72×68＋97.2＋9.72×22 (208) 9.8÷1.25 (209) 9.9×4.8＋0.48 (210) 9.9×8.2＋0.82 (211) 9.9÷0.8÷12.5 (212) 9.99＋9.99×9 (213) 99.9×8.7＋8.7×0.1 (214) 999×999＋) (0.29＋0.29＋0.29＋0.29)×2.5 (216) 7.2×0.27＋0.27×3.8－0.27 (217) 0.87×4.6－3.7×0.46 (218) 8.52－1.48－13.52＋21.48 (219) 24.8÷(0.5×12.4) (220) 4.4÷2.5 (221) 5.5×4.5－4.5＋4.5×5.5 (222) 12.275－8.83－1.17＋7.725 (223) 4.1×48＋82×7.6 (224) (2.5×9.7－2.5×6.5)×1.25 (225) 792×125计算――简便计算 计算――简便计算 ――-10-(226) 8.5×5.6＋4.5×8.5 (227) 3.9×2.5 (228) 2.2÷1.25 (229) 8.08×1.25 (230) 1) 88×78＋47×88 (232) 84×84－84＋17×84 (233) 0.45×1.6×1.25 (234) 5.4×3.6＋7.4×5.4－5.4 (235) 34.95＋14.56＋5.44－4.95 (236) 0.8×0.4×(7.6×1.25)×2.5 (237) 25.38D1.43D4.38D4.57 (238) 0.55×50.6＋0.45×49.4 (239) 2.5×(7.8×3＋7.8) (240) 25.38＋3＋(24.62＋14.7) (241) 3.65×3.65＋3.65×6.35 (242) 55×55＋45×45 (243) 12.5×0.64×0.25 (244) 11×7.6＋2.2×12 (245) 81×12.5 (246) (82－27)×7.6＋55×2.4 (247) 8.08÷1.25 (248) 1.25×4.8×0.5 (249) 6.3×7.52＋75.2×0.47－7.52 (250) 7.84＋3.21＋2.16＋3.79计算――简便计算 计算――简便计算 ――-11-(251) 1.25×4.3×0.8×2 (252) 18.4×18＋81×18.4＋18.4 (253) 0.25×(6.7－3.5)×12.5 (254) 0.4×(0.25＋2.5＋25) (255) (0.8＋0.8＋0.8＋0.8)×12.5 (256) 4.6×6.4－4.6＋4.6×4.6 (257) 25×28 (258) 54×101 (259) 4.05－2.83－0.17 (260) ＋392＋271 (261) 3.14×625＋3.14×174＋3.14 (262) 9 (263) 3400÷(34×25) (264) 0.8×0.4×76×1.25×2.5 (265) 23.404－1.43＋0.05 (266) 12.45＋78.98＋7.55＋0.02 (267) 10－6.35－2.65 (268) 5.26＋4.981＋10.74＋6.019 (269) 78.603－12.38－9.62 (270) 5.26＋1.98＋1.74 (271) 0.35＋1.895＋0.65＋0.105 (272) 10.1－0.99－9.01 (273) 17.6＋6.4－3.83－6.17 (274) 4.9＋5.1－4.9＋5.1 (275) 7.56＋(48.9＋2.44)计算――简便计算 计算――简便计算 ――-12-(276) 3.58－0.98＋0.02 (277) 10－0.7＋1.75＋3.25 (278) 15.6＋18.76－1.24 (279) 9.56－3.96＋8.905 (280) 10.1－3.49＋6.51 (281) 80－19.4－8.09－3.51 (282) 18.76－3.47－0.53 (283) 5.26＋4.43＋0.74 (284) 32.17－0.46－4.17 (285) 0.9＋1.08＋0.92＋0.1 (286) 1.1＋2.2＋3.3＋4.4＋5.5＋6.6＋7.7＋8.8＋9.9 (287) 0.9＋0.98＋0.997＋0.95＋0.8) 1.25×3.2 (289) 8.71×4.7＋8.71×5.3 (290) 0.93×201 (291) 0.125×2.5×0.8×4 (292) 2.8×0.7×0.5 (293) 1.36×0.5×2 (294) 12.5×8.5×8 (295) 2.5×0.125×4×8 (296) 3.2×12.5×0.25 (297) 444×0.25 (298) 1.25×6.4 (299) 0.73×99 (300) 38.4×7＋51.6×7计算――简便计算 计算――简便计算 ――-13-(301) 1.01×4.5 (302) 6.5×0.93＋6.5×0.07 (303) 9.9×9.9 (304) 6.58×0.12＋33.42×0.12 (305) 4.04×12.5 (306) 7.8×2.01×0.5 (307) 1.6×7.5×1.25 (308) 3.4×90×3.5 (309) 3.78×4.5 (310) 5.5×6.5＋4.5×5.5 (311) 5.5×4.5＋4.5×4.5 (312) 12÷1.25 (313) 94÷0.25÷0.4 (314) 5.4÷(2.7×4) (315) 78÷2.5÷0.4 (316) 1.2÷(0.12×2.5) (317) 85÷0.17÷5 (318) 9.6÷(2.4×8) (319) 7.8÷1.25 (320) 0.1－0.2＋0.3－0.4＋0.5－0.6＋0.7－0.8＋0.9－1 (321) 2＋4＋8＋16＋32＋…＋ (322) (1.0－0.1)＋(3.0－0.3)＋(5.0－0.5)＋…＋(101.0－10.1) (323) 9.9×4.3 (324) 7.02×101 (325) 0.125×2.3×8计算――简便计算 计算――简便计算 ――-14-(326) 6.1×10＋3.9×10 (327) 108×0.125 (328) 5.2＋99×5.2 (329) 12.5×(8－0.08) (330) 7.8÷(3.9×50) (331) ÷0.4 (332) 6.4×8.9÷3.2 (333) 75＋24.8＋8.25 (334) 4.2－2.076－1.924 (335) 4.02－3.5＋0.98 (336) 0.125×3.2×2.5 (337) 4.6×202 (338) (0.25＋2.5)×4 (339) 3.14×99＋3.14 (340) (89＋89＋89＋89)×25×9 (341) 46×18＋53×18＋18 (342) 164×85－164＋164×16 (343) 35×26＋35×73＋35 (344) 101×98 (345) 102×33 (346) 102×45 (347) 27×99＋27 (348) 99×101 (349) 27×101 (350) 48×73－48×23计算――简便计算 计算――简便计算 ――-15-(351) 47×36＋47×64 (352) 125×88 (353) 88×82＋88×18 (354) 25×44 (355) 1560－(560＋374)－426 (356) 735－(135－62)＋138 (357) 456－88－56－12 (358) 456－279－56 (359) 475－43－57 (360) 263＋49＋37＋151 (361) 475－81－19 (362) 279－88－79 (363) 275＋47＋25 (364) 5×99×8 (365) 11×37 (366) 11×11×11－11×11 (367) 25×(4＋8)×3 (368) 125×25×(8＋4) (369) 25×73＋75×9 (370) 26×38＋26×11＋49×74 (371) 145×40＋2) 55＋125×64＋45 (373) 125×12 (374) 125×78 (375) 25×96计算――简便计算 计算――简便计算 ――-16-(376) 25×38 (377) 75×98 (378) 24×25×21 (379) 125×44×2 (380) (11×25)×(40×3) (381) 125×9×888 (382) 25×36 (383) 24×125 (384) 25×32×125 (385) 24×25 (386) 8×(25＋25＋25＋25)×125 (387) 21×(26＋26＋26＋26)×25 (388) 25×(7＋4) (389) 25×7×4 (390) 125×(3＋8) (391) 125×3×8 (392)
(393) 125×4＋25×8 (394) (28×76×48)÷(8×7×19) (395) 66×11＋11×3×33 (396) 46×9×11＋46 (397) 48×24＋37×76－11×24 (398) 263×47－162×47 (399) 888×125－808×125 (400) 65×78÷39计算――简便计算 计算――简便计算 ――-17-(401) 225＋25×99 (402) 325×478÷325÷478 (403) 63×103－52×63 (404) 84－39＋39－48 (405) 27＋28＋29＋30＋31 (406) 345－518＋818－255 (407) 5634－(468＋634)－) －999 (409) － (410) 469－235＋535 (411) 2478－(478＋637)－163 (412) 657－241＋841－357 (413) 384－578＋278 (414) 623＋893－593 (415) 524＋673－424 (416) 674－283－174 (417) 573＋248＋127 (418) 28×360＋480×36－51×360 (419) 12×25×44－22×50×6 (420) 888×125＋25×111×5 (421) 11×66÷22 (422) 48×(125＋125)×24 (423) 44×66－24×21 (424) 36×88÷22×25 (425) 11×22＋22×33＋11×12计算――简便计算 计算――简便计算 ――-18-(426) 623×324－324×323 (427) 57500÷(25×575) (428) 29＋39×98＋49 (429) 15×28＋8×15×9 (430) 34×99＋44 (431) 4 (432) 64×(125＋125) (433) 37×(25＋25＋25＋25) (434) 15×103－45 (435) 22×340＋34×780 (436) 276×188－276×99－89×176 (437) 46÷24×48÷23 (438) 27×97＋91 (439) 3.9×3.9＋3.9＋5.1×3.9 (440) 1.25×2.5×2.8×6.4 (441) 12.5×(8＋0.4)×25 (442) (9.5＋9.5＋9.5＋9.5)×2.5 (443) 4.25＋4.25×1.2＋1.8×4.25 (444) 5.84×0.69＋0.69×3.16＋0.69 (445) 3.8×4.9＋4.9×7.2－4.9 (446) 0.45＋0.99×99＋0.54 (447) 4.8×45.6－45.6＋45.6×6.2 (448) 4.6×12＋13×5.4 (449) (0.6×3.4＋3.4×3.4)×2.5 (450) 6.25×8×(0.43＋0.24＋0.57)计算――简便计算 计算――简便计算 ――-19-(451) 73×1.61＋1.61×26＋1.61 (452) 6.24×8×(0.47＋0.25＋0.53) (453) 0.125×14＋0.125×2 (454) 2.75×4.8＋(3.6＋1.6)×2.75 (455) 0.25×0.9＋0.25＋0.25×0.5 (456) 0.86×3.5－0.86＋0.75×0.86 (457) (36－17.1)×3.5＋18.9×6.5 (458) 28.8×38＋63×28.8－28.8 (459) 54×7.84＋7.84×45＋7.84 (460) 4.5×3.6－4.5＋4.5×7.4 (461) 0.65×5.6＋0.35×4.4 (462) (4.2＋4.2＋4.2＋4.2)×9×2.5 (463) 4.37×9.9＋0.437－3.7 (464) 72.3×4.9－72.3＋72.3×6.1 (465) 1.48×4.2＋14.8×0.58 (466) 7.6＋1.25×2.4＋2.4 (467) 2.4×0.25×0.3 (468) 2.4×0.25 (469) 2.5×0.32×1.25 (470) 2.7×9.9＋0.27 (471) 2.7×99＋2.7 (472) 9.9×1.01 (473) 7.2×0.99 (474) 0.48×7.6＋0.48×2.4 (475) 2.8×10.1计算――简便计算 计算――简便计算 ――-20-(476) 8.7×8.7＋8.7×1.3 (477) 2.5×(0.4＋0.04) (478) 73.5－(1.5－0.88)＋0.12 (479) 67.9－4.3－7.9－15.7 (480) 47.6－8.4－11.6 (481) 79.8－24.9－54.8 (482) 26.9＋7.08＋3.1＋2.92 (483) 2.78＋4.9＋7.22 (484) 1.83×4.2－1.83×2.2＋2×8.17 (485) 2.6×3.8＋1.1×2.6＋4.9×7.4 (486) (4.9×2.5)×(0.2×0.4) (487) 6.9×1.01－0.069 (488) 2.5×7.3＋7.5×0.9 (489) 99×0.23＋0.23 (490) 3.6×0.9＋5.4×0.9 (491) 1.7＋1.25×0.32 (492) (1.25＋0.025)×4 (493) 4.8×0.25 (494) 8.39×83.9＋0.839×161 (495) 7.8×4.2＋7.8×5.8－7.8 (496) 1.25×0.3×0.8 (497) 7.5＋2.5×1.6 (498) 3.6×2.5＋4.2 (499) 36.8－3.9－6.1 (500) 3.72×3.5＋6.28×3.5计算――简便计算 计算――简便计算 ――-21-(501) 3.6×102 (502) (1.25－0.125)×8 (503) 0.25×16.2×4 (504) 66.86－8.66－1.34 (505) 15.75＋3.59－0.59＋14.25 (506) 0.398＋0.36＋3.64 (507) 47.8－7.45＋8.8 (508) 73.8－1.64－13.8－5.36 (509) 13.35－4.68＋2.65 (510) 5.27＋2.86－0.66＋1.63 (511) 7.14－0.53－2.47 (512) 9.6＋4.8－3.6 (513) 3.82＋2.9＋0.18＋9.1 (514) 35.6－1.8－15.6－7.2 (515) 7.85＋2.34－0.85＋4.66 (516) 3.68＋7.56－2.68 (517) 13.75－(3.75＋6.48) (518) 5.17－1.8－3.2 (519) 4.02＋5.4＋0.98 (520) 15.89＋(6.75－5.89) (521) 0.456＋6.22＋3.78 (522) 6.9＋4.8＋3.1 (523) 4.36×12.5×8 (524) 3.83×4.56＋3.83×5.44 (525) 146.5－(23＋46.5)计算――简便计算 计算――简便计算 ――-22-(526) 0.89×100.1 (527) 15.2÷0.25÷4 (528) 3.65×10.1 (529) 1.25×2.5×32 (530) 0.49÷1.4 (531) 17.8÷(1.78×4) (532) 4.2×99＋4.2 (533) 9.6÷0.8÷0.4 (534) 5.6÷3.5 (535) 3.9－4.1＋6.1－5.9 (536) 3.52÷2.5÷0.4 (537) 18.76×9.9＋18.76 (538) 320÷1.25÷8 (539) 25.48－(9.4－0.52) (540) 7.09×10.8－0.8×7.09 (541) 56.5×9.9＋56.5 (542) 4.8×100.1 (543) 32＋4.9－0.9 (544) 4.8×7.8＋78×0.52 (545) 15.6×13.1－15.6－15.6×2.1 (546) 101×0.87－0.91×87 (547) 2.22×9.9＋6.66×6.7 (548) 13.7×0.25－3.7÷4 (549) 4.6×57＋23×8.6 (550) 3.65×4.7－36.5×0.37计算――简便计算 计算――简便计算 ――-23-(551) 9.43－(6.28－1.57) (552) 2.3×16＋2.3×23＋2.3 (553) 5.4×11－5.4 (554) 15.02－6.8－1.02 (555) 21×(9.3－3.7)－5.6 (556) 12.7×9.9＋1.27 (557) 18－1.8÷0.125÷0.8 (558) 3.9×2.7＋3.9×7.3 (559) 7.74×(2.8－1.3)＋1.5×2.26 (560) 8.9×1.01 (561) 7.2×0.2＋2.4×1.4 (562) 5.6÷1.25÷0.8÷2.5÷0.4 (563) 3.14×0.68＋31.4×0.032 (564) (45.9－32.7)÷8÷0.125 (565) 3.2×0.25×12.5 (566) 0.65×101 (567) 8.54÷2.5÷0.4 (568) 27.5×3.7－7.5×3.7 (569) 9.7×99＋9.7 (570) 0.25×0.73×4 (571) 36.54－1.76－4.54 (572) 12.7－(3.7＋0.84) (573) 0.25×36 (574) 1.23＋3.4－0.23＋6.6 (575) 3.2＋0.36＋4.8＋1.64计算――简便计算 计算――简便计算 ――-24-(576) 0.32×403 (577) 23.4－0.8－13.4－7.2 (578) 3.25＋1.79－0.59＋1.75 (579) 8－2.45－1.55 (580) 1.29＋3.7＋2.71＋6.3 (581) 3.07－0.38－1.62 (582) 7.5＋4.9－6.5 (583) 1.27＋3.9＋0.73＋16.1 (584) 0.134＋2.66＋0.866 (585) 6.02＋3.6＋1.98 (586) 1.57＋0.245＋7.43 (587) 2.35＋1.713＋0.287＋7.65 (588) 1.76＋0.195＋3.24 (589) 5.93＋0.19＋2.81 (590) 4.8＋8.63＋5.2＋0.37 (591) 0.79×199 (592) 10.7×16.1－15.1×10.7 (593) (7.7＋1.54)÷0.7 (594) 4.9÷1.4 (595) 930÷0.6÷5 (596) 4.2÷3.5 (597) 4.5÷1.8 (598) 2.31×1.2×0.5 (599) 0.8×(4.3×1.25) (600) 10.4－9.6×0.35计算――简便计算 计算――简便计算 ――-25-(601) 4×(0.25＋0.25＋0.25＋0.25＋0.25) (602) 0.25×(0.08－0.01) (603) 3.62×1.01 (604) 119.7－(54.8－9.27) (605) 927.04－73.64－45.36 (606) 0.46＋0.32＋2.54＋1.68 (607) 12.54－4.56－3.44－1.54 (608) 2.56×62.1＋25.6×3.7＋256×0.01 (609) 8.8×3.7＋45×0.88＋0.18×88 (610) 4.5×2.9－5.6×3.5＋2.7×4.5 (611) 3.75÷0.25 (612) 1.8＋1.8×97＋3.6 (613) 4.1÷(4.1×1.25) (614) 0.23＋5.7×9.9＋0.34 (615) 4.7＋2.7×99 (616) 7.6×2.5×0.4 (617) 1.25×8.8 (618) 3.4×9.9 (619) 0.48÷(1.6×0.15) (620) 8.74÷0.225÷0.4 (621) 37×165－64×37 (622) 34.15－7.78－2.22－4.15 (623) 91.84＋19.37－20.84 (624) 259＋99×59 (625) (36×58)÷(18×29)计算――简便计算 计算――简便计算 ――-26-(626) 63.24＋18.64－26.76 (627) 15.47－(6.35＋4.47) (628) 18.57－8.75－1.35 (629) 72×36＋63×72 (630) 43.57＋13.64－23.64 (631) 25×(8×4)×125 (632) 44.23－15.69＋24.77 (633) 34÷29×58 (634) 15×97＋45 (635) 24×102 (636) 67.34＋28.96－15.73 (637) 54.68－18.72－21.28 (638) 837×215－215×637 (639) 3.47＋15.63－7.82 (640) 24＋99×99＋75 (641) 83.28－(73.28－19.63) (642) 4.68－17.54＋20.54 (643) 54.63－37.82＋27.82 (644) 17.8＋17.9＋18＋18.1＋18.2 (645) 24×56＋47×76＋56×23 (646) 5.36×27.1－5.36×17.1 (647) 37.56－47.28＋26.44 (648) 444×25 (649) 34＋99×72＋38 (650) 91.84＋19.37－100.91计算――简便计算 计算――简便计算 ――-27-(651) 64.56＋27.63－47.63 (652) 0.85＋0.15－0.85＋0.15 (653) 37×102 (654) 87×24÷12 (655) 13.65＋32.47＋17.53 (656) 2.48＋10.5＋0.52＋1.5 (657) 475－368＋268 (658) 199＋99×99 (659) 86×54÷27 (660) 74×99 (661) 78.4×9.9 (662) 4.13×102－4.13 (663) 5.4＋3.6×99－1.8 (664) 12.3×10.1 (665) 1.2×9.9 (666) 4.8×1.25 (667) ＋) 12.35×3.76－12.35×3.66 (669) 347÷125÷8 (670) 24×36÷24×36 (671) 25×16×15×20 (672) 26×35＋36×65＋10×35 (673) 4.8÷25÷4 (674) 2.43－3.76＋5.76 (675) 3.14×2.5＋3.14×6.5计算――简便计算 计算――简便计算 ――-28-(676) 8.88×125 (677) 2.4×3.6＋6.3×2.4 (678) 3.84×0.125×8 (679) 4.25÷100×10 (680) 25.67＋98.43－27.265 (681) 287× (682) 4.2×0.98＋4.2×0.01 (683) 804×27÷402 (684) 47×98＋94 (685) 13×48÷12 (686) 75×97÷25 (687) 3.67＋4.98－5.98＋6.33 (688) (5.7×1.2＋4.3×1.2)×2.5 (689) 27×1.5＋15×7.3 (690) 9.9－10＋10.1－10.2＋10.3 (691) 14×26＋15×35－14×16－15×25 (692) 19×45＋29×55 (693) 6.27－4.98－12.02＋12.72 (694) 12×24＋36×25 (695) 9＋9.9＋9.99＋9.999 (696) 53×47＋47＋54×53 (697) 8) 357－(218－143) (699) 64×27－17×36 (700) 34×12＋3.4×880计算――简便计算 计算――简便计算 ――-29-(701) 16×(25＋125)×12 (702) (57÷16×68)÷(19×34÷32) (703) 25×18＋35×82 (704) 63×6.3＋0.63×360＋0.7×9 (705) 18.5－9.37－6.63 (706) 8.5×5.6＋45×0.85 (707) 7.35×2.16－1.66×7.35 (708) 5.2×9.1＋5.2－2.1×5.2 (709) 7.6＋0.45＋19＋3.4＋0.55 (710) 1.7×0.2＋3.4×9.9 (711) 1.25×(3.6－0.4)×0.25 (712) 3.6×2.5 (713) 6.7×0.7＋6.7×9.3 (714) 0.8×1.38×1.25÷0.46 (715) 3.5×10.01 (716) 9.2×9.2＋9.2×10.8 (717) 5.28÷0.25÷0.4 (718) 19.9＋9.9×99 (719) 27×2.7＋2.7×72 (720) 3.4÷0.25 (721) 1.5×97＋4.5 (722) (3.6×5.7×5.5)÷(1.9×2.4×11) (723) 6.24÷(3.12÷0.5) (724) 9.72×68＋9.72×22＋97.2 (725) 1.25×8.08计算――简便计算 计算――简便计算 ――-30-(726) 7.24×2.83＋2.83×2.76 (727) 7.2÷4.5 (728) 14.6×2.5×4 (729) 100.1－98.98－0.02 (730) 2.5×7.6×12.5×32 (731) 34.5×6.6＋66.5×6.6－6.1 (732) 4.32×7.3＋1.7×4.32＋4.32 (733) 1.25×(0.58×8) (734) 2.58＋7.3＋7.42＋2.7 (735) 15.6－3.71－6.29 (736) 3.786×101－3.786 (737) 6.2×7.3＋0.62×26＋0.62 (738) 3.92＋2＋6.08＋5.8 (739) 9.9＋9.9×99 (740) 38.78－19.59＋41.22－30.41 (741) 8.88×27＋72×8.88＋8.88 (742) 3.8×83.7＋8.27×61＋8.37 (743) 12.5×(6.4－3.2)×0.125 (744) 19.9＋19.91＋19.92＋19.93＋19.94＋19.95＋19.96 (745) 56.56÷0.7÷0.8 (746) 4.82×35＋51.7×3.5＋0.35 (747) 3.1×5.4－3.1＋3.1×4.6 (748) 97.2×6.8＋0.972×220＋9.72 (749) 5400÷(4.3×27＋2.7×57) (750) ÷1.25计算――简便计算 计算――简便计算 ――-31-(751) 6.27×1.5－(80－73.73) (752) 0.68×1.9＋0.32×1.9 (753) 297×999 (754) ×) 10.56×3.75－3.75×0.56 (756) 47.64－(18.6＋17.64) (757) 12.5×3.2×0.25 (758) 9.3×1.7＋1.7×1.7－1.7 (759) 17.4×99＋27.4 (760) (4.8÷1.7)÷(1.6÷5.1) (761) 1.3×9.7＋0.39 (762) (3.6×1.2＋2.8×3.6)×0.25 (763) 1.25×9.9＋0.125 (764) 3.4×7.2＋6.4×3.4－1.7×3.6×2 (765) 14.2÷0.5×3.1＋6.8×28.4 (766) 3.4×2.7＋4.5×6.6＋3.4×1.8 (767) 28.36－4.7－15.3＋1.64 (768) (101×10.1－10.1)÷101 (769) 39.9×2.75＋2.75×61.1－2.75 (770) 0.125×80.8 (771) 27×1.5＋1.5×72 (772) 0.4×(0.25＋0.25＋0.25＋0.25) (773) 3.4＋7.7×99＋4.3 (774) 3.6×83＋18×3.4 (775) 7.4×6.3＋3.7×5.4计算――简便计算 计算――简便计算 ――-32-(776) 57.52－(7.7－2.48)＋32.7 (777) 0.25×1.6×(17×1.25)×40 (778) (3.7×1.2＋4.3×1.2)×1.25 (779) 0.125×8.88 (780) 23.19－(8.6－2.71)－4.4 (781) 16.7×2.7＋43×0.27－2.7 (782) 4.5×4.7＋0.45×43＋4.5 (783) 4.8÷0.125 (784) 101.78－5.98＋8.22－14.02 (785) (3.6＋3.6＋3.6＋3.6)×2.5 (786) 18.5×5.8＋5.2×18.5－18.5 (787) 2.6×6.4＋2.6＋2.6×2.6 (788) 12.5×0.32×2.5 (789) 36.78－19.9＋13.22－1 (790) 1.25×3.2×0.25 (791) 6.9×9.6－9.6＋96×0.41 (792) 6.4＋6.4×3.6＋6.4×5.4 (793) (3.86＋2×3.86＋3.86)×0.25 (794) 4.375－3.65＋1.625－3.35 (795) 2.5×6.73×4 (796) (6.3×1.4＋3.7×1.4)×2.5 (797) 3.8÷1.25÷1.25÷8÷8 (798) 9.83×1.5＋6.17×1.5 (799)
(800) 48×35＋65×48计算――简便计算 计算――简便计算 ――-33-(801) 3.65－1.35＋4.35－0.65 (802) 5.26＋1.89＋1.74 (803) 375×67－375＋375×34 (804) 2.5×64×12.5 (805) 51×7.5－49×7.5－1 (806) ＋902＋) (8＋1.25)×0.8 (808) 4.5×5.8＋5.2×4.5－4.5 (809) 7.8÷(0.39×2.5) (810) 2.7÷45 (811) 70÷28 (812) 15÷(0.15×0.4) (813) 15÷0.25 (814) 32.4×0.9＋0.1×32.4 (815) 0.35×1.25×2×0.8 (816) 2.5×2.4 (817) 1.25×3.4－0.24×3.4 (818) 0.59×2.14＋5.9×0.786 (819) 48.4＋2.78＋51.6－0.48 (820) 72÷1.25÷9 (821) 7.6×27＋7.6×174－7.6 (822) 307×10.1 (823) 6.3＋4.82＋3.7－0.82 (824) 2.5×(6.2－2.6)×0.4 (825) 3.4×0.46＋0.34×5.4计算――简便计算 计算――简便计算 ――-34-(826) 13.7×0.25×8 (827) 2.65×1.7＋1.35×1.7 (828) 6.54－9.27＋8.27 (829) 35.4－2.57－8.43＋15.6 (830) 4.6×7.6＋4.8×2.3 (831) 5.42×.63－9.63＋5.58×9.63 (832) 4.6×2.7×0.3＋0.81×5.4 (833) 14.7－0.24－0.24－0.24×3 (834) 0.33×5.2＋3.3×0.27＋33×0.021 (835) 1.4×9.8＋0.28 (836) 3.4÷(3.4×0.25) (837) 7.8÷2.4×4.8÷3.9 (838) 7.6×0.8＋0.2×7.6 (839) 0.85×199 (840) 0.25×8.5×4 (841) 1.28×8.6＋0.72×8.6 (842) 12.5×0.96×0.8 (843) 0.8×(4.2×1.25) (844) 3.12＋3.12×99 (845) 28.6×101－28.6 (846) 0.86×15.7－0.86×14.7 (847) 2.4×102 (848) 14－7.32－2.68 (849) 2.64＋8.67＋7.36＋11.33 (850) (2.5－0.25)×0.4计算――简便计算 计算――简便计算 ――-35-(851) 9.16×1.5－0.5×9.16 (852) 3.6－3.6×0.5 (853) 930÷0.6÷5 (854) 63.4÷2.5÷0.4 (855) 3.9÷(1.3×5) (856) 0.89×9.9 (857) 2.73×9.9＋0.1×2.73 (858) 0.375×101－0.375 (859) 2.5×3.78×4 (860) 8.6÷0.4÷2.5 (861) 9.32÷(4.66÷2) (862) 69÷1.25÷8 (863) 65÷(6.5×25) (864) 10.26÷(5×5.13) (865) 3×7.2÷3.6 (866) 96×10.1 (867) 7.9＋5.3×7.9＋3.7×7.9 (868) 7.28＋3.7＋2.72＋6.3 (869) 93.9－18.22－12.78 (870) 9.9×101－9.9 (871) 6.8×0.95＋0.05×6.8 (872) (0.125＋12.5)×8 (873) 15.5×1.5＋1.5×5.5－1.5 (874) 18.28－3.41－6.59 (875) 88×32＋68×88计算――简便计算 计算――简便计算 ――-36-(876) 5.7×1.9＋4.3×1.9 (877) 6.9×10.1 (878) 46×80＋54×80 (879) 125×(638×7－638＋638×2) (880) (3×42)÷25×4 (881) 125×54＋125×3＋125×27 (882) 560×19÷28 (883) 71×101－101 (884) 360÷126×42 (885) 589－(189－99) (886) (125＋125＋125＋125)×25×8 (887) 316×3＋98×316 (888) 691＋472＋309－372 (889) 843＋ (890) －) 886＋627＋14＋) 478×104－478×5 (893) 847－153＋153－447 (894) 3.2×12.5×0.7 (895) 1.02×3.5 (896) 0.25×0.24 (897) (7.2－4.7)×1.6×0.4 (898) 18.92－(4.67＋4.92)－4.33 (899) 4.3÷(0.43×0.8) (900) 7.8÷(3.9×40)计算――简便计算 计算――简便计算 ――-37-(901) 0.125×53＋12.5×0.27 (902) 7.4×3.6÷3.7 (903) 18.52÷0.125÷80 (904) 3.75－3.75×0.99 (905) 4.661＋5.439＋8.72－1.72 (906) (8＋0.8－0.08)×1.25 (907) 48.67－(41.67－7.7) (908) 2.5×6.4×0.125 (909) 0.767＋0.067×99 (910) 5.7×3.18－3.18×3.7 (911) 8.65×0.7＋(10－1.35)×0.3 (912) 8.92＋4.57－1.92＋5.43 (913) 108×1.25 (914) 63.63÷0.7÷0.9 (915) 6.4×2.5×0.5×0.125 (916) 8.14×6.78－8.14×5.48－8.14×0.3 (917) 3.75×4.8＋62.5×0.48 (918) (2.5＋1.25)×0.4×8 (919) 2.64×0.47－0.264×5.3－1 (920) (＋13.5＋2.25＋1.125－5)×8 (921) (46×0.25)×0.4＋9.9×46 (922) 1.85÷0.125 (923) 12.17＋3.27＋25.83＋6.73 (924) 1.25×32×2.5×0.7 (925) 9.8×11.02－9.8－9.8×0.02计算――简便计算 计算――简便计算 ――-38-(926) (12.5×1.25×0.125)×80 (927) 1.25×(4－0.8)×2.5 (928) 5.06×0.97＋0.003×50.6 (929) 18.3×0.82－0.82×13.8 (930) 7.32×0.82＋0.17×7.32＋0.) 56.8×6.78＋56.8×3.62－56.8×0.3 (932) 18.36＋7.94＋31.64＋12.06 (933) 3.2×1.25×25 (934) 6.8÷2.5 (935) 25－25×3.2×0.125 (936) 0.75÷(3.8×2.5＋2.5×6.2) (937) 5.5×96＋5×5.5－5.5 (938) 3.7×480＋63×48 (939) 7.77×6＋1.11×58 (940) 0.9＋3.92＋1.08＋20＋0.1 (941) 9.6÷(48×0.99＋0.48) (942) 0.5×(3.2＋3.2)×0.25×1.25 (943) 6.29×1.2－(80－73.71) (944) 2.56×62.1＋2.56×37＋25.6×0.1 (945) 8.8×43.2－33.2×5.9－2.9×33.2 (946) (17.8＋23.17)＋(37.83＋12.2) (947)
(948) 7.3＋9.6－8.7＋7.3＋2.1 (949) (1.25＋1.25×2＋1.25)×2.5×8 (950) 0.36×7.5＋0.036×25计算――简便计算 计算――简便计算 ――-39-(951) 52×9.9＋24×9.9＋7.6 (952) 12.4－3.8－7.2 (953) 12.5×0.7×0.32×25 (954) 2.3×0.48＋4.8×0.87－0.12×4 (955) 2.34×99－7.66 (956) 0.5＋3.91＋0.09＋4.5 (957) 39.9×2.75＋2.75×60.1－2.75 (958) 5.5×7.49＋0.749×45 (959) 27.83＋6.09＋52.17＋1.91 (960) 380.65－43.51－36.49 (961) 0.8×(1.25＋0.4) (962) 3.2×12.5×25 (963) 102×7.58 (964) 31.8÷2.5÷4 (965) 75.6×3.89－75.6＋7.11×75.6 (966) (8×34.54－15.24×8)×1.25 (967) 111÷1.25 (968) (18.2－0.91)＋(21.8－0.09) (969) 14×2.5－2.5－2.5－2.5 (970) 64×12.5×0.25×0.05 (971) 64×(12.5＋0.25＋0.05) (972) ×8 (973) 0.9＋0.99＋0.999＋0.) 3.75×45－3.75＋3.75×56 (975) 17.75×1.5＋5.25×1.5－23计算――简便计算 计算――简便计算 ――-40-(976) 64×0.125×12.5 (977) 3.06÷1.25 (978) 5.7×[1.1＋(5.9×0.73＋5.9×0.27)] (979) 3.46×7.9＋5.54×7.9＋7.9 (980) 0.83×0.68＋1.17×0.68 (981) 2.78＋54＋2.62＋54 (982) 128－41＋962－49 (983) 4.5×1.02＋7.8 (984) 1.1×1.1×1.1－1.1×1.1－1 (985) 72.8×9.5＋0.728×40＋7.28 (986) 8.6×12.5×32×2.5 (987) 8.4×4.8＋4.8×3.6－12×0.8 (988) 37×64＋37×37－37 (989) 5 (990) 98×102 (991) 2) 96×38÷48 (993) 125×(4＋8)×25 (994) 37.8×65.4＋35.6×37.8－37.8 (995) 0.9×12.1÷1.1 (996) 4.04×0.25 (997) 2.01×9.4 (998) 0.5×2.33×0.2 (999) 3.9×1.4－0.4×3.9 (×101－4.13计算――简便计算 计算――简便计算 ――-41-(×7.89＋36.4×0.211 (×99.9 (×0.8×0.4×1.25 (1004) (1.25×17－1.25×9)×0.4 (×12.5×2.5 (×(12.5＋2.5) (×6.5＋0.45×55 (1008) (4.6×6.38＋3.62×4.6)÷9.2 (1009) (0.3×12.5＋12.5)×0.25×8 (×2.5 (÷12.5 (×9.3＋9.3＋0.93×8.5 (×10.1 (＋3.71×17.4－8.4×3.71 (×2.8＋0.02×95＋9.5 (×2.5＋3.2×4.4＋5.7×5.6 (×(27.43－21.87)＋4.7×4.44 (＋(6.59＋3.32) (.25 (×3.6 (.25÷0.8 (×(0.125＋2.5) (－5.37＋2.1－4.63 (×0.25×1.25 (×2.8＋8.2×6.73－6.73计算――简便计算 计算――简便计算 ――-42-(÷0.125÷8 (×0.125 (－3.83－6.17＋2.4 (÷2.5÷0.4 (×0.75＋2.5×0.75＋3.9×0.25 (×9.9 (×3.7＋3.7×3.7－0.37 (÷(2.25÷3) (×7.6÷2.13 (×3.2×2.5 (×5.2＋1.7×1.1－6.9 (×1.25×0.25 (×5.6＋0.56×44＋56 (×1.25×2×8×11 (－(15.43＋20.21) (×(4－0.8) (.1×99＋100.1 (×6.2－2.2×5.25 (÷25÷0.04 (×13.5×125÷0.45 (1046) (0.8＋0.04)×2.5 (×84.7－0.635×847 (＋6.4×15＋16×3.6 (×2.5×64÷0.2 (×0.48×0.25计算――简便计算 计算――简便计算 ――-43-(×1.06－4.78×1.06 (×2.5－1.6×2.87＋9.1×2.87 (×13.6＋1.36 (×0.75×3.2 (÷1.25÷0.8 (×780×12.5×2.5 (＋999＋58) 7.6×3.01＋5.7×3.01－3.01×3.3 (＋8.92＋4.33 (－65.2＋47.5 (×2.5×6.4 (÷2.5÷0.4 (×101－9.18 (÷2.5＋3.6÷2.5 (×0.25×64 (÷1.25÷8 (×0.25－3.2×0.25 (×0.46＋3.4×0.54 (＋4.82＋3.7－0.82 (×10.1 (×18 (－43.7－56.3 (×12.5×2.5 (×1.25 (×27＋7.6×174－7.6计算――简便计算 计算――简便计算 ――-44-(.25÷8 (÷4.5 (＋2.7－7.3＋2.7 (×34 (×1.2＋8.8×1.5 (×8.3＋5.2×8.3＋0.83 (×4－1.12×4 (÷2.5÷2 (×8.8 (1085) (125－1.25)×0.8 (×0.4＋3.5×0.6 (1087) 39÷(1.3×5) (×1.7＋1.35×1.7 (×0.25×8 (×1.7＋1.35×1.7 (1091)
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