直接写出计算结果.
| 7×0.5= | 4÷0.8= | 5.6-2.3= | 0.125×4= | 44÷1.2= | 3.2÷1= |
| 3.07×100= | 1.8×5= | 36÷3.6= | 9.6÷1.2= | 0÷0.9= | 0.1×0.12= |
| 5÷0.3×0.2= | 12.5+12.5÷12.5= | 0.6+0.6÷0.6-0.6= | 2×0.7+4.2×0.3= | (8.5-1.5)÷0.1= | 20-3.7-6.3= |
直接写出得数.
| 3×15=________ | 125×8=________ | 500×5=________ | 280÷7=________ |
| 200÷5=________ | 408÷4=________ | 6.2+5.9=________ | 105×80=________ |
| 20+80×9=________ | 25×4×0=________ | 6+7×4=________ | 360-240÷4=________ |
| 800克+200克=________千克 | 1吨-800千克=________千克. |
用竖式计算并验算.
| 5.4+0.54 | 0.73-0.49 | 0.31×2.4 | 0.036÷0.24. |