题目内容
| 3×230= | 240×4= | 130×6= | 70×40= |
| 6×14= | 320÷20= | 2000÷50= | 30×500= |
| 3×230=690, | 240×4=960, | 130×6=780, | 70×40=2800, |
| 6×14=84, | 320÷20=16, | 2000÷50=40, | 30×500=15000. |
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题目内容
| 3×230= | 240×4= | 130×6= | 70×40= |
| 6×14= | 320÷20= | 2000÷50= | 30×500= |
| 3×230=690, | 240×4=960, | 130×6=780, | 70×40=2800, |
| 6×14=84, | 320÷20=16, | 2000÷50=40, | 30×500=15000. |