2.45×0.69= 2.16×6.4＝ 1.44×0.25=
3.5×103= 0.702×5= 3.15×4= 12.4×0.7= 2.3×11.2= 6.9×0.3= 2.3×6.2= 0.58×0.09= 6.7×3= ·
0.66×0.04= 3.7×4.6= 0.29×7= 6.5×0.4= 56×1.33= 3.02×2.5= 2.6×1.8= 0.8×7=
3.5×16= 12.5×4= 1.8×2.3= 0.37×0.04=
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1.06×25= 7×8. 6= 9.6×0.39= 27×0.43=
1.7×45= 1.2×1.04= 0.37×4= 86×1.2=
、
2.4×0.15= 21×2.4= 4.32×8= 0.8×25=
2.58×3= 5.8×0.6=
3.6×0.4= 2.6×3.7=