1、直接写出得数 0.3×0.5=0.15 3.6÷0.6=6 0.4×0.9=0.36 1.2×0.4=0.48 4.8÷0.8=6 3.2×0.2=0.64 2.5×0.2=0.5 7.2÷0.9=8 1.1×0.8=0.88 0.6×0.7=0.42 5.5÷0.5=11 6.3÷0.7=9 0.8×0.3=0.24 0.48÷0.06=8 2.4÷0.04=60 1.5×0.6=0.9 0.72÷0.08=9 3.5÷0.07=50 0.22×0.3=0.066 0.56÷0.7=0.8 4.2÷0.6=7 2、竖式计算 2.4×3.5=8.4 2.4 × 3.5 120 72 8.40 0.56×1.8=1.008 0.56 × 1.8 448 56 1.008 3.08×2.5=7.7 3.08 × 2.5 1540 616 7.700
