30x【(36 42)*2】的简单算法

更多相关文档0.36×12.5-2.2的简便算法怎么算_百度知道
0.36×12.5-2.2的简便算法怎么算
0.36×12.5-2.2的简便算法怎么算
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0.36×12.5-2.2=0.9x0.4x12.5-2.2=0.9x(0.4x12.5)-2.2=0.9x5-2.2=4.5-2.2=2.3
电气工程师
0.36×12.5-2.2=4×0.09×12.5-2.2=50×0.09-2.2=4.5-2.2=2.3
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31乘36-36的简便算法
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原式=31x36-1x36=(31-1)x36=30x36=30x30+30x6=900+180=1080
采纳率:85%
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简便算法的依据:乘法分配律ab-ac=a×(b-c)31×36-36=(31-1)×36=30×36=1080
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我们会通过消息、邮箱等方式尽快将举报结果通知您。101×82 45.2×10+52.1×10 0.125×3.2×25 4.37×99+4.37 4.2÷2÷3.5 22×11+22+288×22= (214+43+86)+257= 578-53-92-255= 361×40×125= 199×35= 365-(247-235)= 48×125= 200×22= )(88+104)+96 24+42+76+58 25*5)*2 117*3+117*7 167*2+167*3+167*5 528-53-471、 7.5*3.1/2.5*100 =7.5/2.5*3.1*100 =3* 2、36.5*6.2+28*0.365+3.65 =36.5*6.2+2.8*3.65+3.65 =3.65*(6.2+2.8+1) =3.65*1. =36.5 3、999.9*599.9+199.9 =.1×599.9+200-0.1 =+200-0.1 =-0.1 =.1 =.9*599.9+199.9 =()*599.9+(200-0.1) =-0.1*599.9+200-0.1 =.99+200-0.1 =0-0.1)+200-0.1 =+0.1+200-0.1 =+200 =.9X599.9+199.9 =()X599.9+(200-0.1) =-0.1X599.9+200-0.1 =.99+200-0.1 =-0.01)+200-0.1 =+0.01+200-0.1 =+0.01-60-0.1 =92×25= 999.9×599.9+199.9 = ()×599.9+199.9 =-0.1×599.9+199.9 =.9+199.9 =0 545-167-145 28*225-2*225-6*225 39*8+6*39-39*4 127+133+184+240 22x98+44 97×95+5×97=54+34+(66+46)6.9+4.8+3.10.456+6.22+3.7815.89+(6.75-5.89)4.02+5.4+0.985.17-1.8-3.213.75-(3.75+6.48)3.68+7.56-2.687.85+2.34-0.85+4.6635.6-1.8-15.6-7.23.82+2.9+0.18+9.19.6+4.8-3.67.14-0.53-2.475.27+2.86-0.66+1.6313.35-4.68+2.6573.8-1.64-13.8-5.36 47.8-7.45+8.80.398+0.36+3.6415.75+3.59-0.59+14.2566.86-8.66-1.340.25×16.2×4(1.25-0.125)×83.6×1023.72×3.5+6.28×3.536.8-3.9-6.115.6×13.1-15.6-15.6×2.14.8×7.8+78×0.5232+4.9-0.94.8×100.156.5×9.9+56.57.09×10.8-0.8×7.0925.48-(9.4-0.52)4.2÷3.5320÷1.25÷818.76×9.9+18.763.52÷2.5÷0.43.9-4.1+6.1-5.95.6÷3.59.6÷0.8÷0.44.2×99+4.2 17.8÷(1.78×4)0.49÷1.41.25×2.5×323.65×10.115.2÷0.25÷40.89×100.1146.5-(23+46.5)3.83×4.56+3.83×5.444.36×12.5×89.7×99+9.727.5×3.7-7.5×3.78.54÷2.5÷0.40.65×1013.2×0.25×12.5(45.9-32.7)÷8÷0.1253.14×0.68+31.4×0.0325.6÷1.25÷0.8÷2.5÷0.47.2×0.2+2.4×1.48.9×1.017.74×(2.8-1.3)+1.5×2.263.9×2.7+3.9×7.318-1.8÷0.125÷0.812.7×9.9+1.2721×(9.3-3.7)-5.615.02-6.8-1.025.4×11-5.4 2.3×16+2.3×23+2.39.43-(6.28-1.57)3.65×4.7-36.5×0.3746×57+23×8613.7×0.25-3.7÷42.22×9.9+6.66×6.7101×0.87-0.91×8710.7×16.1-15.1×10.70.79×1994.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5+4.9-6.53.07-0.38-1.621.29+3.7+2.71+6.38-2.45-1.55 3.25+1.79-0.59+1.7523.4-0.8-13.4-7.20.32×4033.2+0.36+4.8+1.641.23+3.4-0.23+6.60.25×3612.7-(3.7+0.84)36.54-1.76-4.540.25×0.73×47.6×0.8+0.2×7.60.85×1990.25×8.5×41.28×8.6+0.72×8.612.5×0.96×0.810.4-9.6×0.350.8×(4.3×1.25)3.12+3.12×9928.6×101-28.60.86×15.7-0.86×14.72.4×1022.31×1.2×0.514-7.32-2.682.64+8.67+7.36+11.3370÷28 (2.5-0.25)×0.49.16×1.5-0.5×9.163.6-3.6×0.563.4÷2.5÷0.44.9÷1.43.9÷(1.3×5)(7.7+1.54)÷0.72.5×2.42.7÷4515÷(0.15×0.4)0.35×1.25×2×0.832.4×0.9+0.1×32.415÷0.254.5÷1.84.2÷3.5930÷0.6÷5
赞助商链接720/36简便算法_百度知道
720/36简便算法
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只能这样了
来自:作业帮
20啊很简便了
720/9/4=8/4=2
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