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【OG20-P170-155题】
If x(2x+1)=0 and(x+12 )(2x−3)=0 ,then x=
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
答案 B
解析参考如下图:
鲤鱼1999
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问题求解PS
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