0.8×(1.2-0.25)简便计算?

2025-05-17 07:25:52
推荐回答(1个)
回答(1):

0.8x(1.2-0.25)
=0.8×(1十0.2一0.25)
=0.8十0.16一0.2
=0.96-0.2
=0.76