问答题The combined ages of Frasier and Niles is 88 years; the combined ages of Niles and Daphne is 76 years; the combined ages of Frasier and Daphne is 80 years. Then, how old is Frasier?
问答题
The combined ages of Frasier and Niles is 88 years; the combined ages of Niles and Daphne is 76 years; the combined ages of Frasier and Daphne is 80 years. Then, how old is Frasier?
参考解析
解析：
设Frasier的年龄为X，Niles 的年龄为Y，Daphne的年龄为Z；故可得出方程式如下：
X+Y=88, Y+Z=76, X+Z=80；求解可得出X=46。
设Frasier的年龄为X，Niles 的年龄为Y，Daphne的年龄为Z；故可得出方程式如下：
X+Y=88, Y+Z=76, X+Z=80；求解可得出X=46。
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