口算
| 2.5×0.6= | 1.3×0.2= | 2.1÷0.21= | 5.28+1.6= | 14.3-2.2-7.8= | 16.8÷2.5÷4= |
在横线里填上“>”、“<”或“=”.
| 2.7÷0.99________2.7×0.99 | 1.21×1.1________1.11×1.21 |
| 0.5÷5________5÷0.5 | 8.89×5.22________52.2×0.889. |
| 2.5×0.6= | 1.3×0.2= | 2.1÷0.21= | 5.28+1.6= | 14.3-2.2-7.8= | 16.8÷2.5÷4= |
| 2.7÷0.99________2.7×0.99 | 1.21×1.1________1.11×1.21 |
| 0.5÷5________5÷0.5 | 8.89×5.22________52.2×0.889. |