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数学
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数学题√32 -√18分之1 +√12.
人气:133 ℃ 时间:2020-06-01 22:58:25
解答
√32 -1/√18+√12.5
=4√2-1/(3√2)+√(25/2)
=4√2-(1/6)√2+(5/2)√2
=(4-1/6+5/2)√2
=[(24-1+15)/6]√2
=(19/3)√2
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