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(2根号X²Y)/(3根号XY)
人气:444 ℃ 时间:2020-04-23 08:15:51
解答
(2根号X²Y)/(3根号XY)
=2/3根号(X²Y/xy)
=2/3根号x是(2√x)/3?还有,请问,根号(a²b/4c²)=?根号(a²b/4c²)=|a/2c|*根号b
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