溜冰场上午来了300人，中午有142人离开，下午又有150人离开。这时溜冰场有多少人？_刷题宝

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溜冰场上午来了300人，中午有142人离开，下午又有150人离开。这时溜冰场有多少人？

A：6个

B：7个

C：8个

D：9个

上一题下一题 0.0难度选择题更新时间:2017-02-24 09:48:45

答案(点此获取答案解析）

C

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