问一道英文数学题目(美国高中水平的)In a survey of 63 people,23 people subscribed to magazine A,21 people subscribed to magazine B,and 17 subscribed to magazine C.For any two of the magazaines,4 people subscribed to both magazines b
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![问一道英文数学题目(美国高中水平的)In a survey of 63 people,23 people subscribed to magazine A,21 people subscribed to magazine B,and 17 subscribed to magazine C.For any two of the magazaines,4 people subscribed to both magazines b](/uploads/image/z/5937224-32-4.jpg?t=%E9%97%AE%E4%B8%80%E9%81%93%E8%8B%B1%E6%96%87%E6%95%B0%E5%AD%A6%E9%A2%98%E7%9B%AE%EF%BC%88%E7%BE%8E%E5%9B%BD%E9%AB%98%E4%B8%AD%E6%B0%B4%E5%B9%B3%E7%9A%84%EF%BC%89In+a+survey+of+63+people%2C23+people+subscribed+to+magazine+A%2C21+people+subscribed+to+magazine+B%2Cand+17+subscribed+to+magazine+C.For+any+two+of+the+magazaines%2C4+people+subscribed+to+both+magazines+b)
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