| 直接写数对又快 66+8= | 3.8+6.2= | 47-8= | 3.8÷0.19= | |
| 12÷ | 56÷4= | 24×0.5= | 471-299= | |
| 1÷0.25= | 600÷5= | 8-0.8= | ||
| 1.06×8×12.5= | 1.5×0.6= | 6.6+4= | 1.5÷0.3= | |
| 1-0.05= | ||||
| 2- | 1- | 1+ |
| 直接写数对又快 66+8= | 3.8+6.2= | 47-8= | 3.8÷0.19= | |
| 12÷ | 56÷4= | 24×0.5= | 471-299= | |
| 1÷0.25= | 600÷5= | 8-0.8= | ||
| 1.06×8×12.5= | 1.5×0.6= | 6.6+4= | 1.5÷0.3= | |
| 1-0.05= | ||||
| 2- | 1- | 1+ |