2.5×0.32×1.25用简便方法计算,怎么做

2025-02-02 06:12:20
推荐回答(2个)
回答1:

2.5×0.32×1.25

=2.5x0.4x(0.8x1.25)
=1x1
=1

回答2:

把0.32换成0.4×0.8然后0.4和2.5结合,0.8和1.25结合