8.5*15.4/1.7/1.1的简便算法
问题描述:
8.5*15.4/1.7/1.1的简便算法
答
8.5*15.4/1.7/1.1 = (8.5/1.7)*(15.4/1.1) = 5 * 14 = 70
8.5*15.4/1.7/1.1的简便算法
8.5*15.4/1.7/1.1 = (8.5/1.7)*(15.4/1.1) = 5 * 14 = 70