脱式计算,能简便的要简便计算.
| 14-11.3-1.7 | 54÷2.5÷0.4 |
| 3.2×0.28+0.28×6.8 | 80.3-33.3×0.5÷0.37. |
直接写出结果:
| 1.68+1.5= | 7÷1.4= | 9+ | |
| 0.9+99×0.9= | 0.77+0.33= | 32÷53×0= | |
| (0.18+0.9)÷9= | 2.6-1.7= |
| 14-11.3-1.7 | 54÷2.5÷0.4 |
| 3.2×0.28+0.28×6.8 | 80.3-33.3×0.5÷0.37. |
直接写出结果:
| 1.68+1.5= | 7÷1.4= | 9+ | |
| 0.9+99×0.9= | 0.77+0.33= | 32÷53×0= | |
| (0.18+0.9)÷9= | 2.6-1.7= |