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初中七年级数学:有理数混合运算经典习题40题及答案解析

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2、同级操作按从左到右的顺序进行;

3、如果有括号,则先进行括号内的运算,按照小括号、方括号、大括号的顺序进行。

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用户评论

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执妄

I'm a math teacher and I have to say, these 40 practice questions are incredibly helpful. The answers are also provided, which is a huge time-saver. Kudos to the author!

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残留の笑颜

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逃避

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