平均数问题

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平均数问题,第1张

第一题

每人要分得3.5桶蜂蜜,故每人都分得的半桶蜜都是奇数,所以半桶只有1+3+3和1+1+5两种分配方法。对应解就好凑了

331

115

331

223

331

223

第二题求最大公倍数,略

第三题的全部解在此

1/3=5823/17469=5832/17496

1/4=3942/15768=4392/17568=5796/23184=7956/31824

1/5=2697/13485=2769/13845=2937/14685=2967/14835=2973/14865=3297/16485=3729/18645=6297/31485=7629/38145=9237/46185=9627/48135=9723/48615

1/6=2943/17658=4653/27918=5697/34182

1/7=2394/16758=2637/18459=4527/31689=5274/36918=5418/37926=5976/41832=7614/53298

1/8=3187/25496=4589/36712=4591/36728=4689/37512=4691/37528=4769/38152=5237/41896=5371/42968=5789/46312=5791/46328=5839/46712=5892/47136=5916/47328=5921/47368=6479/51832=6741/53928=6789/54312=6791/54328=6839/54712=7123/56984=7312/58496=7364/58912=7416/59328=7421/59368=7894/63152=7941/63528=8174/65392=8179/65432=8394/67152=8419/67352=8439/67512=8932/71456=8942/71536=8953/71624=8954/71632=9156/73248=9158/73264=9182/73456=9316/74528=9321/74568=9352/74816=9416/75328=9421/75368=9523/76184=9531/76248=9541/76328

1/9=6381/57429=6471/58239=8361/75249

第四题请采纳取 cssguzhe的答案