1÷(根号2-根号3) 当根号2=1.414,根号3=1.732时,求近似值(保留到0.01)
人气:329 ℃ 时间:2019-08-20 11:53:01
解答
1÷(根号2-根号3)
=-1/(根号3-根号2)
=-(根号3+根号2)/(3-2)
= -根号3 - 根号2
= -1.732 -1.414
= -3.146
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