| 47+16= | 0.5×2.8= | 0.14÷0.2= |
56× = | ÷ = | - = |
解:
| 47+16=63, | 0.5×2.8=1.4, | 0.14÷0.2=0.7, |
56× =21, | ÷ = , | - = . |
分析:根据运算法则直接求解即可.
点评:口算题目要求快速准确,能运用简算方法的要简算.
编辑:chaxungu时间:2026-04-27 11:32:55分类:小学数学题库
| 47+16= | 0.5×2.8= | 0.14÷0.2= |
56× = | ÷ = | - = |
解:
| 47+16=63, | 0.5×2.8=1.4, | 0.14÷0.2=0.7, |
56× =21, | ÷ = , | - = . |