4x-3分之12x-10加上8x-9分之32x-34等于8x-7分之24x-23加上4x-5分之16x-19
不要直接算的····
人气：268 ℃ 时间：2020-02-06 05:35:15
解答
(12x-10)/(4x-3)+(32x-34)/(8x-9)=(24x-23)/(8x-7)+(16x-19)/(4x-5)[3-1/(4x-3)]+[4+2/(8x-9)]=[3-2/(8x-7)]+[4+1/(4x-5)]2/(8x-9)-1/(4x-3)=1/(4x-5)-2/(8x-7)3/[(8x-9)(4x-3)]=3/[(4x-5)(8x-7)](4x-5)(8x-7)=(8x-9...
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