| 35+15=________ | 70-48=________ | 15×2=________ | 48÷4=________ |
| 25×4=________ | 42÷3=________ | 80÷40=________ | 11×60=________ |
| 50÷10=________ | 1×89=________ | 30×20=________ | 100÷20=________ |
| 120×5=________ | 640÷80=________ | 120÷40=________ | 560-400=________ |
| 102+24=________ | 9×50=________ | 2×3×5=________ | 72×0×5=________. |
用竖式计算
| 5.64+3.18= | 40-25.3= | 71.54-63.69= |