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小升初数学真题，分数乘法与除法练习，较难 学浪计划
填空题2：小升初数学真题，分数乘法与除法练习，较难 学浪计划 方方和小明各有邮票若干张，方方拿出1/5给小明后，小明再拿出现有邮票的1/4给方方，这时他们都有90张，则方方和小明原先各有邮票多少张？
小升初数学总复习276/299
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