
直接写得数. 7.8×0.1= 6.4÷0.2= 1.25×0.8= 35÷4= 0.21÷0.3= 7×0.9= 0.36÷0.09=
直接写得数.7.8×0.1=6.4÷0.2=1.25×0.8=35÷4=0.21÷0.3=7×0.9=0.36÷0.09=1.2×0.5=3.5×20=4.3÷10=0....
直接写得数. 7.8×0.1= 6.4÷0.2= 1.25×0.8= 35÷4= 0.21÷0.3= 7×0.9= 0.36÷0.09= 1.2×0.5= 3.5×20= 4.3÷10= 0.8×0.7= 32÷0.8=
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解:7.8×0.1=0.78 | 6.4÷0.2=32 | 1.25×0.8=1 | 35÷4=8.75 | 0.21÷0.3=0.7 | 7×0.9=6.3 |
0.36÷0.09=4 | 1.2×0.5=0.6 | 3.5×20=70 | 4.3÷10=0.43 | 0.8×0.7=0.56 | 32÷0.8=40 |
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