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(X-5.5)1/3=70%x-5.5如何解?
人气:268 ℃ 时间:2020-04-14 10:40:56
解答
5.5=11/2
0.7=7/10
(X-11/2)1/3=7/10X-5.5
1/3X-11/6=7/10X-11/2
则解得X=10谢谢!
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