问题
解答题
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答案
60×30=1800, | 600÷3=200, | 34×2=68, | 560÷7=80, | 0÷12=0, | 20×50=1000, |
3.8-1.2=2.6, | 2.5+4.3=6.8, | 380÷9≈40, | 89÷3≈30, | 42×23≈800, | 51×60≈3000. |
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60×30=1800, | 600÷3=200, | 34×2=68, | 560÷7=80, | 0÷12=0, | 20×50=1000, |
3.8-1.2=2.6, | 2.5+4.3=6.8, | 380÷9≈40, | 89÷3≈30, | 42×23≈800, | 51×60≈3000. |