计算下面各题并且验算.6.94+1.7815.13﹣13.6.
得数保留两位小数.37×0.09≈5.052÷1.4≈
竖式计算 5.71×2.08 0.576÷0.48 4.375÷3.5 1.25×3.56.
列竖式计算,打“*”号的要验算. 0.54×70 *5.278÷2.6.
竖式计算:0.36×0.25= 0.84÷4.2=
列竖式计算并验算.3.67+20.438=100.7﹣9.603=0.325×3.6=0.4732÷0.26=