Mathematics
Junior High
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求解
10
1
17. 小美和小傑將各自錢的交換,結果小美的錢是小傑的2倍。
5
則小美和小傑原有錢的比為何?
(A)7:2 (B) 5:2 (C) 2:7
(D) 2:5
X-35+32
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