在横线里填上>、<或=.
| 3.3×1.08________3.3 | 8.5×0.999________8.5 | 4.5÷0.3________4.5 | 0.12÷1.2________0.1. |
列竖式计算.
| 67×5= | 320×6= | 504×3= | 324×4= |
| 512×7= | 253×4= | 507×6= | 450×6= |
| 3.3×1.08________3.3 | 8.5×0.999________8.5 | 4.5÷0.3________4.5 | 0.12÷1.2________0.1. |
| 67×5= | 320×6= | 504×3= | 324×4= |
| 512×7= | 253×4= | 507×6= | 450×6= |