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(×+5/9﹚×11/12=1.375 解方程
人气:178 ℃ 时间:2020-10-01 23:47:17
解答
(×+5/9﹚×11/12=1.375
(x+5/9)×11/12=11/8
x+5/9=11/8÷11/12
x+5/9=11/8×12/11
x+5/9=3/2
x=3/2-5/9
x=17/18
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