| 直接写出得数. 159+299= | 0.43-0.3= | = |
= | 1.2×1.5= | = |
| 解:159+299=458; | 0.43-0.3=0.13; | =10; |
=0.75; | 1.2×1.5=1.8; | =0. |
分析:依据四则运算计算方法解答.
点评:本题主要考查学生对于四则运算计算方法掌握.
编辑:chaxungu时间:2026-04-27 08:28:45分类:小学数学题库
| 直接写出得数. 159+299= | 0.43-0.3= | = |
= | 1.2×1.5= | = |
| 解:159+299=458; | 0.43-0.3=0.13; | =10; |
=0.75; | 1.2×1.5=1.8; | =0. |