
直接写得数.3.9×0.1= 0.02×1.4= 2.5×4.7×0.4= 7.06×100= 0.33×0.3= 0.5×0.83×2= 6.4
直接写得数.3.9×0.1=0.02×1.4=2.5×4.7×0.4=7.06×100=0.33×0.3=0.5×0.83×2=6.4×0.2=0.63×0=0.1-0....
直接写得数.3.9×0.1= 0.02×1.4= 2.5×4.7×0.4= 7.06×100= 0.33×0.3= 0.5×0.83×2= 6.4×0.2= 0.63×0= 0.1-0.1×0.1=
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3.9×0.1=0.39 | 0.02×1.4=0.028 | 2.5×4.7×0.4=4.7 |
7.06×100=706 | 0.33×0.3=0.099 | 0.5×0.83×2=0.83 |
6.4×0.2=1.28 | 0.63×0=0 | 0.1-0.1×0.1=0.09. |
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