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数学
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3/4x+2=1/3X x=?
人气:172 ℃ 时间:2020-04-14 20:54:50
解答
解由3/4x+2=1/3x
得3/4x-1/3x=-2
即9/12x-4/12x=-2
即5/12x=-2
即x=-2÷(5/12)
即x=-24/5
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