方程组的解与与的值相等，则等于_刷题宝

题干

方程组

的解与

与

的值相等，则

等于（）

A：2

B：1

C：6

D：4

上一题下一题 0.0难度选择题更新时间:2019-05-11 06:47:14

答案(点此获取答案解析）

B

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