99x3.6x3.6简便计算 日期:2016-09-17 16:50:16 人气:1 99x3.6x3.6简便计算 1283.04 解析: 99×3.6×3.6 =99×(4-0.4)² =99×(16+0.16-3.2) =99×12.96 =(100-1)×12.96 =1296-12.96 =1283.04