0.5×(6-0.4)的简便算法怎么算?

如题所述

0.5×(6-0.4)
=0.5×6-0.5×0.4
=3-0.2
=2.8
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第1个回答  2011-09-08
0.5×(6-0.4)=(6-0.4)/2=3-0.2=2.8

0.5×(6-0.4)的简便算法怎么算?
0.5×(6-0.4)=0.5×6-0.5×0.4 =3-0.2 =2.8

0.5*(6-0.4)怎样简便计算?
=3-0.2 =2.8

0.5×(6一0.4)简便算
0.5×(6一0.4)=0.5×6-0.5×0.4 =3-0.2 =2.8

0.5x(6一0.4)的简便方法
拆开括号,0.5X6-0.5X0.4=3-0.2=2.8,简便运算,把括号里面分别乘括号外的,方便计算

6.7×0.25×0.4 0.5×(6-0.4) 4.29×0.8+0.8×5.71 用简便运算
回答:6.7 x(0.25 x 0.4) =6.7 x 0.1 =0.67

0.05×6×0.4脱式计算?
计算如下:0.05×6×0.4 =0.3×0.4 =0.12

6-0.4\/0.5x2的简便方法
6-0.4÷0.5x2 =6-0.8×2 =6-1.6 =4.4

0.65-0.65×0.4的简便运算怎么写怎么写?
0.65-0.65×0.4 =0.65×(1-0.4)=0.65×0.6 =0.39

2.5×(8-0.4)简便运算?
2.5×(8-0.4)的简便算法如下:2.5×(8-0.4)=2.5×8-2.5×0.4 =20-1 =19

0.5×6÷0.25有简便算法吗?
· 1.5÷0.25×4 =1.5×4÷0.25 =6÷0.25 =24 扩展资料-竖式计算-计算结果:将被除数从高位起的每一位数进行除数运算,每次计算得到的商保留,余数加下一位数进行运算,依此顺序将被除数所以位数运算完毕,得到的商按顺序组合,余数为最后一次运算结果 解题过程:...

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