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15问答网 > 九分之m乘n分之18除以n分之 m等于多少?m 和n都不等于0急用

九分之m乘n分之18除以n分之 m等于多少?m 和n都不等于0急用

2025-03-15 02:46:24

推荐回答（3个）

回答1：

m 18 m
— × — ÷ —
9 n n
=
m 18 n
— × — ×—
9 n m
=
2
—
1
=
2

m和m约分
n和n约分
9和18约分，9没了，18约分成2

答案：2

回答2：

m/9×18/n÷m/n
=2m/n×n/m
=2

回答3：

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