如题所述
0.25×4.8简便计算?1,解:原式=0.25×(4×1.2)=0.25×4×1.2=1×1.2=1.22,0.25×4.8=0.5×0.5×(8×0.6)=0.5×8×(0.5×0.6)=4×0.3=1.2