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(1 /(x-2)(x-3))-(2/(x-1)(x-3))+(1/(x-1)(x-2)) 等于多少 刷分的滚

来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/09/30 13:14:58
(1 /(x-2)(x-3))-(2/(x-1)(x-3))+(1/(x-1)(x-2)) 等于多少 刷分的滚
(1 /(x-2)(x-3))-(2/(x-1)(x-3))+(1/(x-1)(x-2)) 等于多少 刷分的滚
1/(x-2)(x-3)-2/(x-1)(x-3)+1/(x-1)(x-2)
=(x-1)/(x-2)(x-3)(x-1)-2(x-2)/(x-1)(x-2)(x-3)+(x-3)/(x-1)(x-2)(x-3)
=【x-1-2x+4+x-3】/(x-1)(x-2)(x-3)
=【0】/(x-1)(x-2)(x-3)
=0
再问: 想要多少分?
再答: 你选为满意就好了。你看着给吧,呵呵