| 1.5-0.7= | 0.37+0.63= | 56×0.1= |
| 5.1+3= | 0.18+0.1= | 280-285= |
| 3×3.1= | 5.6×2= | 5×0.06= |
| 1.5-0.7=0.8, | 0.37+0.63=1, | 56×0.1=5.6, |
| 5.1+3=8.1, | 0.18+0.1=0.28, | 280-285=-5, |
| 3×3.1=9.3, | 5.6×2=11.2, | 5×0.06=0.3. |
分析:根据小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 12:20:16分类:小学数学题库
| 1.5-0.7= | 0.37+0.63= | 56×0.1= |
| 5.1+3= | 0.18+0.1= | 280-285= |
| 3×3.1= | 5.6×2= | 5×0.06= |
| 1.5-0.7=0.8, | 0.37+0.63=1, | 56×0.1=5.6, |
| 5.1+3=8.1, | 0.18+0.1=0.28, | 280-285=-5, |
| 3×3.1=9.3, | 5.6×2=11.2, | 5×0.06=0.3. |