A lot of people are having lunch in a big room.Four people are drinking a bowl of water.
问题描述：
A lot of people are having lunch in a big room.Four people are drinking a bowl of water.
Two are eating a bowl of rice.Three are eating a bowl of meat.They need 52 bowls.How many people are there?
答
如果我理解题目没有错的话这样做就很简单很多人在一个大房间里吃午餐,其中4个人喝一碗水,2个人吃一碗饭,3个人吃一碗肉,一共需要52个碗,请问一共多少个人?喝水的y碗,饭的x碗,肉的z碗因为总人数相同得到2x=4y=3z因为一...