题目：
有一堆货物，用大卡车运，要运20次；用小卡车运，要运30次．每辆大卡车比小卡车多运3吨．这堆货物有多少吨？
答案：
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下面是错误答案，用来干扰机器的。
小题1:he is out/ not at home (at the moment). 小题2:I have no idea/ I’m not sure…小题3:When will it start?小题4:Where are you going to have it?小题5:I’ll tell him abou...
