| 直接写出得数: 22×4=________; | 23+19=________; | 63÷3=________; | 150-90=________; |
| 78-59=________; | 24÷2=________; | 1200-400=________; | 13×3=________; |
| 35+24=________; | 80-45=________; | 36÷6=________; | 75-29=________; |
| 31×2=________; | 65-37=________; | 89-48=________; | 84÷4=________. |