[請益]計量一題

看板GRE (GRE入學考試)作者 (阿G魔人現身...)時間17年前 (2007/05/05 12:46), 編輯推噓0(000)
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Carol’s age, in years, can be expressed by reversing the digits in her father's age, in years. The sum of the digits in each age is 10. (a) The positive difference between Carol’s age, in years, and her father’s age, in years (b) 36 ans:(b) 我實在不懂...麻煩好心人解惑~thx~ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 123.240.204.118
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