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13问答网 > 括号里面的4.5-x括起来乘八分之三等于0.75怎么算？

括号里面的4.5-x括起来乘八分之三等于0.75怎么算？

2025-03-15 22:42:03

推荐回答（2个）

回答1：

根据题意：
（4. 5一X）3/8=0.75
则4.5—X=0.75×8/3
X=4.5—0.75x8/3
=4.5—2
=2.5
∴X=2.5

回答2：

（4.5-x）x3/8=0.75
4.5-x=3/4÷3/8
4.5-x=2
x=4.5-2
x=2.5

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