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A man has bought 123 chicks and 86 ducks.The total cost of c

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A man has bought 123 chicks and 86 ducks.The total cost of chicks and ducks is 504 yuan.
And we know the price of 3chicks equals that of 2ducks.What's the price of each chicks and ducks?
一个人买了123只鸡和86只鸭 总共花费504元 我们得出3只鸭的价格等于2只鸭的价格 求每只鸡和鸭的价钱
答案是鸡每只2块鸭每只3块 很简单的算术题 但是显然不符实际 哪有那么便宜是吧
再问: 我是说我算错了么,真的是这个答案耶。。。