| 直接写出得数. 1322-199=________; | 1.87+5.3=________; | 2-2÷5=________; |
| ( | 10÷ | 603×39≈________; |
| 4950÷51≈________; | ________: | 42÷( |
| 3.2×1.25×0.25=________. |
| 直接写出得数. 1322-199=________; | 1.87+5.3=________; | 2-2÷5=________; |
| ( | 10÷ | 603×39≈________; |
| 4950÷51≈________; | ________: | 42÷( |
| 3.2×1.25×0.25=________. |