| 直接写出得数. 3.47+0.53= | 4.2×0.5= | ÷ = | 3÷ = |
| 42-23= | ×13- = | × ÷ × = | 80%× = |
| 3.47+0.53=4 | 4.2×0.5=2.1 | ÷ =![]() | 3÷ =![]() |
| 42-23=8 | ×13- =2 | × ÷ × =![]() | 80%× =20% |
分析:本题根据小数加法,分数乘法、除法的运算法则计算即可.
点评:直接写得数题目一般比较简单,要尽量利用口算方法计算,以提高自已口算的能力.
编辑:chaxungu时间:2026-04-27 10:55:48分类:小学数学题库
| 直接写出得数. 3.47+0.53= | 4.2×0.5= | ÷ = | 3÷ = |
| 42-23= | ×13- = | × ÷ × = | 80%× = |
| 3.47+0.53=4 | 4.2×0.5=2.1 | ÷ =![]() | 3÷ =![]() |
| 42-23=8 | ×13- =2 | × ÷ × =![]() | 80%× =20% |