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506+11X=16.5x(24+X)怎么解急!快
人气：239 ℃ 时间：2020-04-15 15:56:41
解答
506+11X=16.5x(24+X)
506 + 11X = 396 + 16.5X
16.5x - 11x = 506 - 396
5.5x = 110
x = 110 ÷ 5.5
x = 20
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