
直接写得数.0.7×0.9= 3.1×0.3= 0.04×0.2= 0.16×0.5= 0.8×0.05= 1.8×0.04= 2.1×4= 0.12
直接写得数.0.7×0.9=3.1×0.3=0.04×0.2=0.16×0.5=0.8×0.05=1.8×0.04=2.1×4=0.12×6=1.7×0.03=2.4×0...
直接写得数.0.7×0.9= 3.1×0.3= 0.04×0.2= 0.16×0.5= 0.8×0.05= 1.8×0.04= 2.1×4= 0.12×6= 1.7×0.03= 2.4×0.02=
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0.7×0.9=0.72 | 3.1×0.3=0.93 | 0.04×0.2=0.008 | 0.16×0.5=0.08 |
0.8×0.05=0.04 | 1.8×0.04=0.072 | 2.1×4=8.4 | 0.12×6=0.72 |
1.7×0.03=0.051 | 2.4×0.02=0.048. |
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