| 70÷7= | 72-8= | 50÷5= | 49+35= | 21×4= | 3×13= |
| 63÷3= | 11×6= | 80-54= | 99÷9= | 1500-800= | 3700+300= |
| 1400-600= | 7200-2000= | 700+600= | 8000-2000= | 500+5000= | 10000-9000= |
| 70÷7= | 72-8= | 50÷5= | 49+35= | 21×4= | 3×13= |
| 63÷3= | 11×6= | 80-54= | 99÷9= | 1500-800= | 3700+300= |
| 1400-600= | 7200-2000= | 700+600= | 8000-2000= | 500+5000= | 10000-9000= |