(35*0.2)*0.5简便计算

Question

如题所述

Answer 1

(35*0.2)*0.5=35*0.2*0.5=3.5*2*0.5=3.5*1=3.5
请参考

Answer 2

此题可用乘法结合律计算，35×（0.2×0.5）=35×0.1=3.5

Answer 3

(35×0.2)×0.5
=35×0.2×0.5
=35×(0.2×0.5)
=35×0.1
=3.5本回答被网友采纳