| 0.81+15.3= | 1300-497= | 3-1/2= | 3/4+0.72= |
| 1÷0.04= | 1/8÷0.625= | 4.5×4/15= | ________: |
| 1.5+2/3×3= | 1-1/3×2/5= | 1.25×0.36×8= | 1÷(2-2.09)= |
直接写出下面各题的结果.
| 902= | |||
| 8π= | 8:10= |
先化简成最简整数比,再求比值.
| 1.5:2.1 | 14:35 | 6千米:300米 | 5小时:1小时40分. |
| 0.81+15.3= | 1300-497= | 3-1/2= | 3/4+0.72= |
| 1÷0.04= | 1/8÷0.625= | 4.5×4/15= | ________: |
| 1.5+2/3×3= | 1-1/3×2/5= | 1.25×0.36×8= | 1÷(2-2.09)= |
| 902= | |||
| 8π= | 8:10= |
| 1.5:2.1 | 14:35 | 6千米:300米 | 5小时:1小时40分. |