直接写得数.
| 50×30= | 480÷8= | 200×4= | 1.7+6.2= | 400÷5= |
| 90×20= | 800÷4= | 22×40= | 6.7-2.4= | 270÷9= |
| 14×4= | 560-300= | 0÷76= | 0.2+0.8= | 1-0.6= |
| 40-8= | 9×3= | 7×9= | 20÷4= | 8÷4= |
| 70-26= | 18+20= | 7×5= | 40÷5= | 8×4= |
| 15÷3= | 81÷9= | 2300+800= | 64-8= | 1300-800= |
| 8×6= | 40÷(5+3)= | 27÷3×5= | 63÷9= | 54÷9= |
直接写得数.
| 50×30= | 480÷8= | 200×4= | 1.7+6.2= | 400÷5= |
| 90×20= | 800÷4= | 22×40= | 6.7-2.4= | 270÷9= |
| 14×4= | 560-300= | 0÷76= | 0.2+0.8= | 1-0.6= |
| 40-8= | 9×3= | 7×9= | 20÷4= | 8÷4= |
| 70-26= | 18+20= | 7×5= | 40÷5= | 8×4= |
| 15÷3= | 81÷9= | 2300+800= | 64-8= | 1300-800= |
| 8×6= | 40÷(5+3)= | 27÷3×5= | 63÷9= | 54÷9= |