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15问答网 > 谁知道几倍根号几怎么算？

谁知道几倍根号几怎么算？

2025-02-16 13:56:06

推荐回答（2个）

回答1：

3根号5+2根号5=5根号5
根号内面相同的，加减根号前面的系数；根号内面不相同的，不能相加减。
3根号8+5根号2，现在不能相加，有理化以后就可以相加了
3根号8+5根号2=6根号2+5根号2=11根号2

回答2：

我也是初二的，努力学习吧

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