
直接写得数:1.2×0.3=______; 0.54×0.9=______; 0.4×2.5=______; 0.92=______; 0.36×0.1=_
直接写得数:1.2×0.3=______;0.54×0.9=______;0.4×2.5=______;0.92=______;0.36×0.1=______;7÷3.5...
直接写得数:1.2×0.3=______; 0.54×0.9=______; 0.4×2.5=______; 0.92=______; 0.36×0.1=______; 7÷3.5=______; 4.2÷3=______; 4×(1.5+0.25)=______.
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解:1.2×0.3=0.36; | 0.54×0.9=0.486; | 0.4×2.5=1; | 0.92=0.81; |
0.36×0.1=0.036; | 7÷3.5=2; | 4.2÷3=1.4; | 4×(1.5+0.25)=7. |
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