| 直接写出结果. 1.2-0.8= | 7.8+0.6= | 5.44-3.6= | 1-0.04= |
| 5.8+3.02= | 0.67-0.58= | - = | + = |
- = |
| 1.2-0.8=0.4, | 7.8+0.6=8.4, | 5.44-3.6=1.84, | 1-0.04=0.96, |
| 5.8+3.02=8.82, | 0.67-0.58=0.09, | - =0.2, | + =1.2, |
- =0.09. |
分析:根据小数和分数加减乘除的计算方法进行计算.
点评:口算时,注意运算符号和数据,然后再进一步计算.
编辑:chaxungu时间:2026-04-27 08:34:03分类:小学数学题库
| 直接写出结果. 1.2-0.8= | 7.8+0.6= | 5.44-3.6= | 1-0.04= |
| 5.8+3.02= | 0.67-0.58= | - = | + = |
- = |
| 1.2-0.8=0.4, | 7.8+0.6=8.4, | 5.44-3.6=1.84, | 1-0.04=0.96, |
| 5.8+3.02=8.82, | 0.67-0.58=0.09, | - =0.2, | + =1.2, |
- =0.09. |