(0.5分) ×0.5=1.
下面各题,怎样算简便就怎样算4296﹣1296÷12+812 5.1÷0.17+2.6×6 ×÷+×+÷ 12.5×0.32×25 ÷(+)×.
×17.6+36÷+26.4×1.25.
用递等式计算,能简算的要简算:9×+×9 +(+)×8 (5.6﹣1.6÷2)×2.5 (++)÷ 1064﹣780÷0.75+8.25 ÷2.25.
125×32×25.
能简算的要简算.÷13+× ×÷× 6﹣2+1 5×32×12.5.