根号6减根号2分之四怎么化简过程详细点谢谢

更新时间2018-10-17 00:36:27

4/(√6-√2)

=4(√6+√2)/(√6-√2)(√6+√2)

=4(√6+√2)/4

=√6+√2

是4/✓6-✓2还是✓6-4/✓2？详细点

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