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(3.2十0.12)÷0.8怎么简算

(3.2十0.12)÷0.8怎么简算 =3.2÷0.8+0.12÷0.8 =4+0.15 =4.15

(3.2十0.12)÷0.8 分析:直接运算最简便, 原式=(3.2十0.12)÷0.8 =3.32÷0.8 =4.15

(3.2+0.56)÷0.8 =3.2÷0.8+0.56÷0.8 =4+0.7 =4.7 简便计算是一种特殊的计算,它运用了运算定律与数字的基本性质,从而使计算简便,使一个很复杂的式子变得很容易计算出得数。 在数的运算中,有加(+)、减(-)、乘(×)、除(÷)四种运算,我...

3.2*0.8+0.12*0.8

=3.2÷0.8+0.12÷0.8 =4+0.15 =4.15 望采纳,谢谢

3.2除以0.8加0.56除以8=4.07

原式等于 0.8×2.4÷0.15 =1.92÷0.15 =12.8 所以原式的计算结果为12.8

简便运算46.2÷3.2×0.8 46.2÷3.2×0.8 =46.2/(3.2/0.8) =46.2/4 =11.55

解: (8.5-2.3×0.2)÷0.8 =(8.5-2.3×0.2)*(10/8) =(85-4.6)/8 =80.4/8 =10.05

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