无
*注意事项:
2.1×0.3= 1.02×3= 0.25×4= 0.42×20=
0.89×0.12○0.89 4.05×1.01○4.05×0.99 6.7×0.98○6.7
6.09×1.3○6.09 5.15×3.3○51.5×0.33 18×0.35○0.35
6.3×2.04○2.04 4.8×7.5○7.5×4.8 3.9×1○1
8.5×1.12= 85×11.2=
0.85×112= 85×112=
1.95×8.6= 1.7×0.17= 1.06×2.5=
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