二次根式的加减数学题目要化简
√3/√3+2-√12 10√2+3√5-7√2 5√12-3√8-2√27
3√20-2√45+9√5 (√6- √8/3)×√2 (2+3√2)(1-√2)
人气:198 ℃ 时间:2020-06-04 13:35:06
解答
该加括号的加起,该间隔的间隔开
不然理解不同
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