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数学
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X*(1+0.35)*0.9-50-X=208
怎么解(具体过程)
人气:475 ℃ 时间:2020-02-15 08:48:21
解答
X*(1+0.35)*0.9-50-X=208
1.215X-X=208+50
0.215X=258
X=258÷0.215
X=1200能再具体点吗?哪里不懂1.215X-X=208+50,这是怎么求出来的?(1+0.35)*0.9=1.215移项
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