全国各地2017 年中考数学分类解析(159套63专题)3

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1、2012年全国中考数学试题分类解析汇编(159套63专题）专题7：一元一次方程一、选择题2.（2012福建漳州4分）方程2x－4=0的解是▲．【答案】x=2。【考点】解一元一次方程。【分析】根据一元一次方程的解法，移项，系数化为1即可得解：移项得，2x=4，系数化为1得，x=2。3.（2012福建泉州5分）方程x－5=0的解是▲．【答案】x=5。【考点】解一元一次方程。【分析】根据一元一次方程的解法直接求解即可。4.（2012湖南郴州3分）一元一次方程3x－6=0的解是▲．【答案】x=2。【考点】解一元一次方程。【分析】根据一元一次方程的解法，移项，系数化为1即可得解：移项得，3

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