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华罗庚金杯少年数学邀请赛试题：小学5、6年级学生来试试
松鼠妈妈采松子，晴天每天可以采20个，雨天每天只能采12个，它一连几天采了112个松子，平均每天采14个。问这几天当中有几天有雨？
新初一分班考试题，重点中学招生考试题，小升初必会必考经典题型4/23
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