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关于x的分式方程的解为正数,则m的取值范围是()。-九年级数学
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当x=()时,互为相反数-八年级数学
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的值是1,则x的值满足[]A.x≥0B.x>6C.x≥0,且x≠6D.x≠6-八年级数学
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规定,若,则x为()-八年级数学
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请选择一组a,b的值,写出一个关于x的形如的分式方程,使它的解是x=0,这样的分式方程可以是()。-八年级数学
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解方程-八年级数学
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若关于x的方程有增根,试求k的值。-八年级数学
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解方程:。-八年级数学
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解方程:。-八年级数学
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分式方程的解为()。-九年级数学
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题目简介
解方程:-九年级数学
题目详情
答案
整理得,2x2-x-3=0
解得:x=-1或
经检验它们都是原方程的解,
故原方程的解为x=-1或