口算600÷20= 300×32= 57÷3= 52= 400×6=11×800= 28×3= 50×100= 36×3= 15×6=360÷30= 60×50=
列竖式计算下面各题.10.9+7.32=100﹣21.35=16×0.235=
直接写得数.3.6﹣0.3= 2.7+12.63= 0.24×5= 0.05×1.6=6.8﹣0.9= 1﹣0.07= 0.8×0.9= 1.25×1.6=12﹣3.7= 0.93×100= 0.24×0.5= 1.03×2=
直接写出得数.2.37+0.63= 257+98= 8.3﹣3.8= 3.2×0.2= 1000﹣599=0.7×5.8= (7.6﹣6.1)÷3= 8.03×100= 1÷0.25= 596.7÷1000=
直接写出得数.1.25×8 12× .
计算.|﹣7|+|4|= ÷= = = == 10.01×8.99≈ := 25÷= =