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数学
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x/48-x/60=2
人气:397 ℃ 时间:2020-06-26 22:34:27
解答
x/48-x/60=2 两边同时乘以240得
5x-4x=480
x=480
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60/﹙x+2﹚-48/﹙x-2
x/48-x/60=2
(80+60)×X÷2=3384
2.5X-60=X+60怎么解
12+60%x=48 x-25%x=25 30%x+45%x=27 (1+40%)x=7
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