5.4÷9= | 0.43×0.1= | 12.5×0.8= | 1-0.12= |
3.6+4.7= | 84÷0.2= | 2.38÷0.01= | 4×2.5= |
40-(4.6×0.8+16.32) 1.25×5.5×2×8 5.2÷0.4÷2.5
99×6.75 4.8×18.7+18.7×5.2 16.2÷[(3.2+4.8)÷1.6]
前5个月 | 后7个月 |
316.8千瓦时 | 505.2千瓦时 |