题目
两吨煤共重160吨,甲队运走5分之2多20吨.乙队运走5分之2少6吨,两吨煤共运走多少吨
提问时间:2020-11-02
答案
160*(2/5+2/5)+(20-60)
=88吨
两队煤共运走88吨
=88吨
两队煤共运走88吨
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