1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35=？

来源：蜘蛛抓取(WebSpider) 时间：2015-10-07 01:34 标签： 150 65 35 24 20规律
这是个机器人猖狂的时代，请输一下验证码，证明咱是正常人~1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35
1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35=1/3+3/4+2/5+5/7+7/8+(4/20+5/20)+(3/21+7/21)+ (3/24+8/24)+(5/35+14/35)=1/3+3/4+2/5+5/7+7/8+1/5+1/4+1/7+1/3+1/8+1/3+2/5+1/7=1/3*3+(3/4+1/4)+(2/5+1/5+2/5)+(5/7+1/7+1/7)+(7/8+1/8)=1+1+1+1+1=5 1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35 =(1/3+3/4+7/8+11/24)+(2/5+9/20)+(5/7+10/21+19/35) =(8/24+18/24+21/24+11/24)+(8/20+9/20)+(75/105+50/105+57/105) =29/12+17/20+26/15 =145/60+51/60+104/60 =300/60 =5
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=1/3+3/4+2/5+5/7+7/8+(1/4+1/5)+(1/3+1/7)+(1/3+1/8)+(2/5+1/7)=3*(1/3)+(3/4+1/4)+(2/5+1/5+2/5)+(5/7+1/7+1/7)+(1/8+7/8)=1+1+1+1+1=5
扫描下载二维码1/C28H41N5O15S.Na/c1-12(2)21(28(42)43)33-26(41)17(9-15-5-7-16(8-6-15)48-49(44,45)46)31-25(40)18(29-13(3)35)10-20(37)32-27-22(30-14(4)36)24(39)23(38)19(11-34)47-27;/h5-8,12,17-19,21-24,27,34,38-39H,9-11H2,1-4H3,(H,29,35)(H,30,36)(H,31,40)(H,32,37)(H,33,41
1/C33H42O7/c1-19-25-17-24-18-27(39-22(4)35)20(2)29(32(24,5)6)30(37)31(33(25,7)16-15-26(19)38-21(3)34)40-28(36)14-13-23-11-9-8-10-12-23/h8-14,24-27,30-31,37H,1,15-18H2,2-7H3/b14-13+/t24-,25-,26+,27+,30-,31+,33-/m1/s
1/C27H27N3O3S/c1-30-25(20-11-15-23(33-3)16-12-20)24(19-9-13-22(32-2)14-10-19)29-27(30)34-18-17-28-26(31)21-7-5-4-6-8-21/h4-16H,17-18H2,1-3H3,(H,28,31
11',29'-di-tert-butyl-5',17',23',35',38',40',43',45'-octamethyl-7',15',25',33'-tetraoxadispiro[cyclohexane-1,2'-heptacyclo[32.2.2.2~3,6~.2~16,19~.2~21,24~.1~9,13~.1~27,31~]hexatetracontane-20',1''-cyclohexane]-1'(36'),3',5',9'(44'),10',12',16',18',21',23'
1/C26H18O2/c1-17-16-23-21-9-5-3-7-19(21)11-13-25(23)28-26(17)15-14-22-20-8-4-2-6-18(20)10-12-24(22)27-26/h2-16H,1H
1/C22H28O6/c1-23-17-11-21(27-5)19(25-3)9-15(17)13-7-8-14(13)16-10-20(26-4)22(28-6)12-18(16)24-2/h9-14H,7-8H2,1-6H3/t13-,14
Somatoliberin (humanpancreatic islet),1-[5-(iodo-125I)-L-histidine]-2-D-alanine-27-L-norleucine-29-L-argininamide-30-de-L-glutamine-31-de-L-glutamine-32-deglycine-33-de-L-glutamicacid-34-de-L-serine-35-de-L-asparagine-36-de-L-glutamine-37-de-L-glutamicacid-38-de-L-arginine-39-deglycine-40-de-L-alanine-41-de-L-arginine-42-de-L-alanine-43-de-L-arginine-44-de-L-leucinamide-(9CI)
1/C21H26N2O4/c1-3-14-8-9-19(25)23(12-14)11-10-16-15-6-4-5-7-18(15)22-20(16)17(13-24)21(26)27-2/h4-7,12,17,22,24H,3,8-11,13H2,1-2H
1/C30H52/c1-10-25(6)16-12-20-30(9,21-13-17-26(7)15-11-14-23(2)3)29-22-27(8)18-19-28(29)24(4)5/h10,17,22-23,25,28-29H,1,4,11-16,18-21H2,2-3,5-9H3/b26-17
Somatoliberin (humanpancreatic islet),1-D-tyrosine-2-D-alanine-27-L-norleucine-29-L-argininamide-30-de-L-glutamine-31-de-L-glutamine-32-deglycine-33-de-L-glutamicacid-34-de-L-serine-35-de-L-asparagine-36-de-L-glutamine-37-de-L-glutamicacid-38-de-L-arginine-39-deglycine-40-de-L-alanine-41-de-L-arginine-42-de-L-alanine-43-de-L-arginine-44-de-L-leucinamide-(9CI)
1/C51H74N2/c1-5-9-13-17-21-49(22-18-14-10-6-2)42-53(43-50(23-19-15-11-7-3)24-20-16-12-8-4)51-39-37-47(38-40-51)32-31-45-27-25-44(26-28-45)29-30-46-33-35-48(41-52)36-34-46/h25-40,49-50H,5-24,42-43H2,1-4H3/b30-29+,32-31
1/C51H74N2/c1-5-9-13-17-21-49(22-18-14-10-6-2)42-53(43-50(23-19-15-11-7-3)24-20-16-12-8-4)51-39-37-47(38-40-51)32-31-45-27-25-44(26-28-45)29-30-46-33-35-48(41-52)36-34-46/h25-40,49-50H,5-24,42-43H2,1-4H3/b30-29+,32-311/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+12/35&&&&&&&&&&&&&&&简算
守矢之光KS107
1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+12/35=1/3+3/4+2/5+5/7+7/8+1/4+1/5+1/3+1/7+1/3+1/8+1/5+1/7=(1/3+1/3+1/3)+(1/4+3/4)+(2/5+1/5+1/5)+(5/7+1/7+1/7)+(7/8+1/8)=1+1+4/5+1+1=4又4/5
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扫描下载二维码1/12+9/20-1/30-13/42+1/56 1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35这两道题必须用裂项的方法做!
美萬囂巻批
1/12+9/20-1/30-13/42+1/56 =1/3-1/4+1/4+1/5-1/5+1/6-1/6-1/7+1/7-1/8=1/3-1/8=5/241/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35=1/ 3 +3 /4 +2 /5 +5 /7 +7/ 8 +（1/ 5 +1/ 4 ）+（1/ 3 +1 /7 ）+（1/ 3 +1 /8 ）+（12 /35 +7 /35 ）,=1 /3 +3 /4 +2/ 5 +5 /7 +7 /8 +（1/ 5 +1 /4 ）+（1 /3 +1 /7 ）+（1 /3 +1 /8 ）+（1 /7 +1 /5 +1/ 5 ）,=1 /3 ×3+（3/ 4 +1/ 4 ）+（2 /5 +1 /5 ×3）+（5 /7 +1/ 7 ×2）+（7/ 8 +1 /8 ）,=1+1+1+1+1,=5；
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