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解方程 (2/3)^x *(9/8)^x=27/64
人气:489 ℃ 时间:2020-02-03 17:49:47
解答
(2/3)^x *(9/8)^x=27/64
(2/3*9/8)^x=27/64
(3/4)^x=27/64
x=3
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