0.12×50=,2.6×0.5,1.2×60,2.13×4,0.02×7,4.8×0.3,1.3×2.2,9.6×0.8,要用竖式计算

0.12×50=60.12× 50————6.002.6×0.5=1.32.6× 0.5————1.301.2×60=721.2× 60————72.02.13×4=8.522.13× 4————8.520.02×7=0.140.02× 7————0.144.8×0.3=1.444.8× 0.3————1.441.3×2.2...