| 直接写出得数. 8-5.4= | 0.4×8×25= | 3.14÷6.28= | = |
8- = | 4.2÷0.07= | 7.2× = | 11× = |
| 解:8-5.4=2.6 | 0.4×8×25=80 | 3.14÷6.28=0.5 | =4 |
8- =4![]() | 4.2÷0.07=60 | 7.2× =2.7 | 11× =133 |
,60,2.7,133.分析:根据分数、小数的加减乘除计算的方法进行计算,能简算的要简算.
点评:计算时,要灵活运用所学的知识,快速准确的进行计算.
编辑:chaxungu时间:2026-04-26 08:24:53分类:小学数学题库
| 直接写出得数. 8-5.4= | 0.4×8×25= | 3.14÷6.28= | = |
8- = | 4.2÷0.07= | 7.2× = | 11× = |
| 解:8-5.4=2.6 | 0.4×8×25=80 | 3.14÷6.28=0.5 | =4 |
8- =4![]() | 4.2÷0.07=60 | 7.2× =2.7 | 11× =133 |
,60,2.7,133.