问题
解答题
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答案
3×230=690, | 25×40=1000, | 130×6=780, | 510÷30=17, | 6×14=84, | 320÷20=16, |
2000÷50=40, | 80×50=4000, | 65×9+65=650, | 30×19=570, | 490÷70=7, | 67+12-67+12=24. |
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3×230=690, | 25×40=1000, | 130×6=780, | 510÷30=17, | 6×14=84, | 320÷20=16, |
2000÷50=40, | 80×50=4000, | 65×9+65=650, | 30×19=570, | 490÷70=7, | 67+12-67+12=24. |