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在一次数学兴趣小组的活动课上,师生有下面的一段对话,请你阅读完后再解答问题.老师:同学们,今天我们来探索如下方程的解法:(x2-x)2-(x2-x)+12=0学生甲:老师,这个方程先去-九年级数学
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若关于x的方程无解,则m=()。-八年级数学
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解方程:-八年级数学
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如果关于x的方程无解,则m=()-八年级数学
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使分式方程产生增根,m的值为()。-八年级数学
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.把分式方程化为整式方程正确的是[]A.B.C.D.-八年级数学
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解方程-八年级数学
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解方程的结果是[]A.B.C.D.无解-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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关于x的方程+2(a≠b)的解为[]A.x=a-bB.x=a+bC.x=2abD.x=b-a-八年级数学
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解方程:-八年级数学
题目简介
解方程-八年级数学
题目详情
答案
去括号得:-4+2x=x-3+4
移项得:2x-x=-3+4+4
合并同类项得:x=5
经检验知:x=5是原方程的解.