用简便方法计算下面各题。

5/9x11/4-7/4÷9/5。
2025-01-25 09:20:42
推荐回答(5个)
回答1:

解,5/9×11/4-7/4÷9/5
=5/9x11/4-7/4x5/9
=5/9×(11/4-7/4)
=5/9

回答2:

这是一道利用乘法分配律来进行简算的题目,首先将7/4÷9/5转化为7/4×5/9,然后按照分配律简算。
5/9x11/4-7/4÷9/5
=5/9x11/4-7/4×5/9
=5/9×(11/4-7/4)
=5/9×1
=5/9

回答3:

答:原式=5/9×(11/4-7/4)
=5/9×4/4
=5/9

回答4:


如图所示

回答5:

5/9×11/4-7/4÷9/5
=5/9×11/4-7/4×5/9
=5/9×(11/4-7/4)
=5/9×1
=5/9