竖式计算
下面各题怎样简便就怎样计算.9.9×25 3.25×4.7﹣7.8 1.25×32×0.25 8.12×4+1.88×4.
一只蜗牛爬行的速度大约是每分钟1.5cm,它一小时能爬多远?
2.47×6.5+7.53×6.5 0.65×1014.12﹣1.78﹣1.22 3.6+6.4×1.5.
下面各题怎样简便就怎样计算.9.9×25 0.75×0.5×4×0.21.25×32×0.25 8.12×4+1.88×40.32×13.4﹣0.32×3.4 3.84×99+3.842.009×390+20.09×41+200.9×2 (9.57+9.57+9.57+9.57 )×25.
怎样简便就怎样计算.9.8×25 0.78×101 1.50×102 0.25×0.7×0.80.56×99+0.56 1.2×2.5+0.8×2.5 0.038×5×2.1.