1.25×0.8简便运算

2024-12-01 18:09:48
推荐回答(4个)
回答1:

1.25×0.8
=125×0.01×8×0.1
=(125×8)×(0.01×0.1)
=1000×0.001
=1

回答2:

1.25×0.8
=5/4 × 4/5
=1

回答3:

1.25×0.8=1

回答4:

这本身就是简便运算