| 1.25×8= | 2.3×2= | 25×0.4= |
| 3.6×0.25= | 4×0.25= | 0.73×100= |
| 2.4×0.25= | 1.6×0.125= |
解:
| 1.25×8=10, | 2.3×2=4.6, | 25×0.4=10, |
| 3.6×0.25=0.9, | 4×0.25=1, | 0.73×100=73, |
| 2.4×0.25=0.6, | 1.6×0.125=0.2. |
分析:根据小数乘法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 11:49:52分类:小学数学题库
| 1.25×8= | 2.3×2= | 25×0.4= |
| 3.6×0.25= | 4×0.25= | 0.73×100= |
| 2.4×0.25= | 1.6×0.125= |
解:
| 1.25×8=10, | 2.3×2=4.6, | 25×0.4=10, |
| 3.6×0.25=0.9, | 4×0.25=1, | 0.73×100=73, |
| 2.4×0.25=0.6, | 1.6×0.125=0.2. |
下一篇:返回列表