直接写得数:
0.5×1.2= 0.963÷9= 1.85×5= 1.7÷0.27= 0.8×1.25=
7.7×0.5×0.2= (0.2+0.2+0.2)÷0.3= 4.2÷0.01=
21.8﹣7.2﹣2.8= 0.5÷0.5+(0.9﹣0.9)=
直接写得数:
0.5×1.2= 0.963÷9= 1.85×5= 1.7÷0.27= 0.8×1.25=
7.7×0.5×0.2= (0.2+0.2+0.2)÷0.3= 4.2÷0.01=
21.8﹣7.2﹣2.8= 0.5÷0.5+(0.9﹣0.9)=