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又(x-14)/(5/3x+14)=1/2 解得x=126的过程
人气:493 ℃ 时间:2020-02-05 14:14:22
解答
x - 14 = 1/2 * (5/3 * x+14)
x - 14 = 5/6 * x + 7
1/6 * x = 14 + 7
x = (14+7)*6 = 126
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