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-1/2x+2/5x-1/3x+1/6x=4/15
人气:153 ℃ 时间:2020-01-26 02:09:47
解答
-1/2x+2/5x-1/3x+1/6x=4/15
(-1/2+2/5-1/3+1/6)x=4/15
-4/15 x = 4/15
x=-1
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