0.25×0.5×16怎么简便就怎样算=0.25x0.5x4x4=(0.25x4)x(0.5x4)=1x2=2
0.25×0.5×16=0.25×8×2×0.5=2×1=2
0.25×0.5×16怎么简便就怎样算=0.25×(0.5×16)=0.25x8=2答 案