问题
解答题
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答案
20×70=1400, | 11×60=660, | 960÷3=320, | 420÷7=60, | 3.4+5.7=9.1, |
30×330=9900, | 21×40=840, | 300÷6=50, | 800÷4=200, | 1.1-0.3=0.8. |
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20×70=1400, | 11×60=660, | 960÷3=320, | 420÷7=60, | 3.4+5.7=9.1, |
30×330=9900, | 21×40=840, | 300÷6=50, | 800÷4=200, | 1.1-0.3=0.8. |