8.5×2.6 ○ 8.5 0.8×8.9 ○ 8.9
0.58×0.99 ○ 0.58 32.5×1.4 ○ 3.25×1 4
0.3×0.5= 3.81×0.1= 3.1×0.5= 0.24×0.5=
0.32×0.3= 90×0.11= 1.21×0.5= 0.4×1.5=