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求PREP一道数学DC,题没太懂~多谢诸位了
of the 60 animals on a certain farm, 2/3 are either pigs or cows. how many of the animals are cows?
A the farm has more than twice as many cows as it has pigs 这个条件是什么意思呢?多于2倍?是确定的么?
B the farm has more than 12 pigs
帮忙翻译下条件吧~~ |
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