用竖式计算:72÷9= 45÷7=
直接写出得数0.12= = = == = ×÷= ×÷×=
直接写得数.9×= ÷= ÷=÷5÷= ÷= ×=÷25= 5÷÷= 12÷=﹣= ﹣= ×÷=
口算= = = ×9= ÷12== = = 7.8×9+7.8= ×0=24×()= 12×=
直接写出下面各题的计算结果:(1)= (2)= (3)1×= (4)1= (5)÷5﹣÷5=(6)= (7)×5= (8)÷3= (9)= (10)×9+=
+= 18×= ﹣= 12÷= ×=÷10= 1﹣= ×= += ÷=