3.14×5.4+31.4×0.36+31.4怎么简便计算?

2024-11-25 17:29:18
推荐回答(2个)
回答1:

这个很容易,关键是小数点的移动
=3.14*5.4+3.14*3.6+3.14*10
=3.14*(5.4+3.6+10)
=3.14*19
=59.66
满意望采纳

回答2:

原式
=31.4×0.54+31.4×0.36+31.4
=31.4×(0.54+0.36+1)
=31.4×1
=31.4