甲乙丙丁四个小朋友共有读物100本,甲给乙3本,乙给丙4本,丙给丁5本,丁给甲6本,四人相等,甲原有几本?
甲乙丙丁四个小朋友共有读物100本,甲给乙3本,乙给丙4本,丙给丁5本,丁给甲6本,四人相等,甲原有几本?
数学人气：937 ℃时间：2020-03-30 14:07:30
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甲乙 丙 丁2525 25 251925 25 311925 30 261929 26 262226 26 26 本题利用列表倒推法较为清楚简单.甲原来有书22...
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