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Problem P: 等量代换 例4
Problem P: 等量代换 例4
[Creator :
]
Time Limit :
1.000
sec
Memory Limit :
128 MiB
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ProblemList
Solved: 16
Submit Num: 26
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Description
胡亦岩第一次买了3个水瓶和20个茶杯,共用去134元,
第二次又买了同样的3个水瓶和16个茶杯,共用去118元,
问水瓶和茶杯的单价是多少元?