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58问答库 > 3⼀4一2⼀9，等于几分之几过程写出来！

3⼀4一2⼀9，等于几分之几过程写出来！

2024-11-15 20:15:21

推荐回答（2个）

回答（1）：

答案：等于19/36
先将两个分数化为分母为36的分数，3/4=27/36，2/9=8/36。
根据同分母分数的减法进行运算，即分母不变，分子相减。
所以3/4-2/9=27/36-8/36=19/36

回答（2）：

3/4-2/9
=27/36-8/36
=19/36

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