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看看中国小学生的数学题:10堆鸡蛋,每堆10个,有9堆每个50克,一堆每个40克,怎样一次秤出400克的一堆?(普通秤法,禁用天平)
lily.m
(july)
(#78600@0)
Last Updated: 2001-5-23
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看看中国小学生的数学题:10堆鸡蛋,每堆10个,有9堆每个50克,一堆每个40克,怎样一次秤出400克的一堆?(普通秤法,禁用天平)
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