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3.75%【7.2÷4.5÷2】怎么简算

(1)(2.5×45)÷(14×0.8)?0.75÷340,=2÷0.2-10,=10-10,=0;(2)1417×(223?34)+1112÷1721,=2117×2312+1112×2117,=(2312+1112)×2117,=3412×2117,=72;(3)718×4.5+3.75÷16.2×215,=1.75+154×233×115,=1.75+0.5,=2.25;(4)[1?(112+115...

[3.75-(0.2+1/3)×4.5]÷13.5 =[3.75-0.2×4.5-1/3×4.5]÷13.5 =[3.75-0.9-1.5]÷13.5 =1.35÷13.5 =0.1

2、脱式计算(能简算的要简算)2.5×7.1×4 16...8.05×3.4+7.6 6.58×4.5×0.9 2.8×0.5+1...6.8×0.75÷0.5 3.75÷0.125–2.75 1.53+23....

五年级上册简便算法题10÷3.14-6.86÷3.1437.68÷0.25÷43.75-(2.75-1.3)37.56-(18+7.56)0.77÷144.5×9.80.7÷0.1250.7÷0.252.5×3.2×12.512.5×9.6×0.253.75-(2.8-1.25)37.65÷0.4÷0.253.125÷8÷0.12537.65-4.75-3.2525×6.4×12.53.6×0.25答案10÷3...

0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64....4.5÷1.8 4.2÷3.5 930÷0.6÷5 63.4÷2.5÷0...13.75-(3.75+6.48) 47.8-7.45+2.55 ...

[3.75-(0.2+1/3)×4.5]÷(8.05+5又9/20) =[3.75-0.9-1.5]÷13.5 =1.35÷13.5 =0.1

(1)10.53÷(0.99-0.45+1.8),=10.53÷(0.54+1.8),=10.53÷2.34,=4.5;(2)18÷[125×(25+110)],=18÷[125×12],=18÷150,=6.25;(3)3.75+4.5÷0.18×0.25,=3.75+25×0.25,=3.75+6.25,=10; (4)3000-144÷12×83,=3000-12×83,=3000-996...

(76一8)X(12÷4) =68X3 =204

=(3.75-0.5x4.5-1/3x4.5)÷1.35 =(3.75-2.25-1.5)÷1.35 =0÷1.35 =0

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