| 0.9×0.5= | 0.7×0.8= | 0.6×1.2= | 1.7×0.3= |
| 0.1×9.2= | 0.4×1.3= | 0.7×1.1= | 3.1×0.9= |
| 0.9×0.5=0.45 | 0.7×0.8=0.56 | 0.6×1.2=0.72 | 1.7×0.3=0.51 |
| 0.1×9.2=0.92 | 0.4×1.3=0.52 | 0.7×1.1=0.77 | 3.1×0.9=2.79 |
分析:依据小数乘法计算法则解答.
点评:在计算小数乘法时要注意:积的小数位数等于两个因数小数位数的和.
编辑:chaxungu时间:2026-04-27 11:06:28分类:小学数学题库
| 0.9×0.5= | 0.7×0.8= | 0.6×1.2= | 1.7×0.3= |
| 0.1×9.2= | 0.4×1.3= | 0.7×1.1= | 3.1×0.9= |
| 0.9×0.5=0.45 | 0.7×0.8=0.56 | 0.6×1.2=0.72 | 1.7×0.3=0.51 |
| 0.1×9.2=0.92 | 0.4×1.3=0.52 | 0.7×1.1=0.77 | 3.1×0.9=2.79 |