(0.5+1.25)×1.6 巧算
1.6×1.25×0.5简算,递等式
2.31×1.6×0.5×1.25.怎样简便计算
79*1.25巧算
3.2×(1.25+0.25)巧算
0.25*0.64*1.25巧算
0.4*(1.25+2.5)*8巧算
1.25*1.6简算
104*2.5 1.25*(4-0.8) 4.2*0.5-1.6*0.52 12.5*32*0.25 0.48*99+0
简算 2.33*0.5*0.4*5 3.4*7-1.25 9.78*99+9.78 1.6*
14.2*1.25+1.25*0.5+5.3*1.25简算
40.5*1.25*1.12+39.5*12.5*0.112巧算.
10.5除以1.25乘以0.8 巧算