3⼀4x8⼀9x0.75(简便计算)?

2024-11-30 19:31:56
推荐回答(2个)
回答1:

简便计算:首先把0.75化成分数3/4
=3/4×8/9××3/4
=1/2

回答2:

3/4×8/9×0.75
=3/4×8/9×3/4
=2/3×3/4
=1/2