问题
解答题
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答案
0×12=0, | 26×4=104, | 540-310=230, | 3×140=420, | 630﹢60=690, |
140×20=2800, | 180×5=900, | 150×5=750, | 620×5=3100, | 280÷7=40, |
25×9=225, | 15×7=105. |
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0×12=0, | 26×4=104, | 540-310=230, | 3×140=420, | 630﹢60=690, |
140×20=2800, | 180×5=900, | 150×5=750, | 620×5=3100, | 280÷7=40, |
25×9=225, | 15×7=105. |