38.2*7.5+75+0.75*518=750怎么巧算?

38.2*7.5+75+0.75*518=750怎么巧算? 38.2×7.5+75+0.75×518如何简便方法运算? 递等式能巧算的要巧算 0.49[1/（4.9-4.89)]+6 38.2*7.5+75+0.75*518 38.2x7.5+75+0.75x5.18如何简便方法运算? 38.2x7.5+75+0.75x5.18如何简便方法运算? 0.75/12.5=（ )/125 75/12.5=( )/125 7.5/0.125 =（ ）/125 7.5/1.25=（ ）/125 下面的数是0.75的几倍或几分之一?750 7.5 0.075 0.7500 75 75*4.67+52.3*7.5+7.5 3.4*(12.5-7.5/0.75)简算 7.5*99.9+0.75简便运算 0.012*0.75=（ ）*7.5 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 8×75%-3÷3/4 8.5×0.75＋7.5×75% 5/8-5/6×（1/4－25%）能简算要简算8×75%-3÷3/4 8.5×0.75＋7.5×75% 5/8-5/6×（1/4－25%）能简算要简算 7.5*15.3+7.5*3.7-75简便运算 因为0.75=75%,所以0.75kg=75%kg.( ) 0.75米等于75%米?