根号四十减去5倍的根号十分之一再加上根号十怎么 化简
人气：335 ℃ 时间：2019-11-06 17:28:16
解答
√40-5√(1/10)+√10
=2√10-(5√10)/10+√10
=3√10-(√10)/2
=(5√10)/2
就是二分之五倍根号10
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