18.6×0.75-0.75×8.6用简便方法计算

18.6*0.75-0.75*8.6简便计算,算式 18.6×0.75-0.75×8.6用简便方法计算 0.75: 0.75的2.4倍乘8.6,积是多少? 8.6×44+56×18.6巧算 -0.75 倒数 0.75：1. 0.75×5.7+0.75等于多少 数学题:|-1.75(-0.75)|-(|-1.25|-|-0.75|) 127*0.75-35*0.75-0.75怎样简算? 1.27*0.75-35*0.75-0.75怎样简算? 0.75*4.21-0.21*0.75-0.75的简便计算 3.6*0.75/3.6*0.75简便计算 简便计算:3.6÷0.75+0.75 0.75×3.125+5.875×75%+0.75 要简算 0.75*5.125+5.875*75%+0.75简算 简便计算4.25×0.75+75%+4.75+0.75 0.75*24+0.75/0.25的简便算法.