Many girls go to your house. They bring all their pet dogs. In all, there are 22 heads and 72 feet.
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题目简介
Many girls go to your house. They bring all their pet dogs. In all, there are 22 heads and 72 feet.
题目详情
girls and dogs are there in the room?
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B. 7 girls and 15 dogs
C. 8 girls and 14 dogs
D. 9 girls and 13 dogs
答案