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谁有七年级上数学难题（要超难的）
谁有七年级上数学难题（要超难的）
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2019-05-17 14:37
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李艳涛
某中学初中部工780人,该校参加艺校学习的学生中,恰好有17分之8是七年级学生.有23分之9是八年级学生.那么该校参加艺校学习中七年级有多少人,八年级有多少人?因为参加艺校学习的总人数是17和23的倍数,而17和23的最小公...
2019-05-17 14:41:11
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