问题描述: 24点 1,3,8,10 1,3,7,9 2,3,5,7 1,2,7,8 1,5,7,10 1,5,5,5 3,7,3,7 1个回答 分类:数学 2014-10-01 问题解答: 我来补答 1,3,8,10(10-1)/3*81,3,7,9 (7+1)*9/32,3,5,73*5+7+2 1,2,7,82*+7+1 1,5,7,105+7-10-1 1,5,5,5(5-1/5)*5= (5-0.2)*5= 4.8 * 5 = 24 3,7,3,7 (3+3/7) *7 = (24/7)*7 = 24 展开全文阅读