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43.5÷29脱式

43.5÷29脱式 解: 43.5÷29 =(43.5×2)÷(29×2) =87÷58 =1.5

100-29+40÷5脱式计算 解: 100-29+40÷5 =71+8 =79

450÷5+29×6 =50+(30-1)x6 =50+30x6-1x6 =50+180-6 =224 谢谢,请采纳

应该是 28×17-493÷29 =476-17 =459

1. 4×102-2×49 =408-2×49 =408-98 =310 2. 25×(2+4) =25×2+25×4 =50+100 =150 3. 12×5+8 =60+8 =68 4. 99×101 =99×(100+1) =99×100+99×1 =9900+99 =9999 5. 25×(78×4) =25×4×78 =100×78 =7800 6. (25+12)×4 =25×4+12×4 =100+48 =148 7. ...

3.9-3.29÷4.7 =3.9-0.7 =3.2

29.61÷9.4×1.4 =3.15x1.4 =3.15x(1+0.4) =3.15x1+3.15x0.4 =3.15+1.26 =4.41

48x29÷87 解:简便脱式运算 =48x29÷(29x3) =48x29÷29÷3 =48÷3 =16 祝学习进步。

2-6/13÷9/29-2/3 解:根据约分和通分的运用, 原式=2-6/13÷9/29-2/3 =2-6/13x29/9-2/3 =2-58/39-2/3 =2-1-19/39-26/39 =1-45/39 =-6/39 =-2/13

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