题目内容
| 口算. 3000+400= | 213×3= | 0.5+1.2= |
| 11×60= | 1-0.6= | 5.4+1.6= |
| 3000+400=3400 | 213×3=639 | 0.5+1.2=1.7 |
| 11×60=660 | 1-0.6=0.4 | 5.4+1.6=7 |
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题目内容
| 口算. 3000+400= | 213×3= | 0.5+1.2= |
| 11×60= | 1-0.6= | 5.4+1.6= |
| 3000+400=3400 | 213×3=639 | 0.5+1.2=1.7 |
| 11×60=660 | 1-0.6=0.4 | 5.4+1.6=7 |