16*1.25-1.25/0.25的简便计算
问题描述:
16*1.25-1.25/0.25的简便计算
答
16*1.25-1.25/0.25 =16×1.25-1.25×4 =1.25×(16-4) =1.25×12 =1.25×4×3 =5×3 =15
16*1.25-1.25/0.25的简便计算
16*1.25-1.25/0.25 =16×1.25-1.25×4 =1.25×(16-4) =1.25×12 =1.25×4×3 =5×3 =15