| 2.2+3.57= | 1.125×8= | 35× = | 4- = |
1- - = | 1 ×8+8× = | + = | 2÷ = |
| 3.25×4= | 1.9+0.1-1.9+0.1= |
| 解:2.2+3.57=5.77 | 1.125×8=9 | 35× =![]() | 4- =![]() |
1- - =![]() | 1 ×8+8× =12 | + =![]() | 2÷ =4 |
| 3.25×4=13 | 1.9+0.1-1.9+0.1=0.2 |
分析:此题运用四则运算的计算方法以及运算定律进行计算即可.
点评:解答要抓住题目的特点,灵活选用适当的方法解答.
编辑:chaxungu时间:2026-04-27 07:38:41分类:小学数学题库
| 2.2+3.57= | 1.125×8= | 35× = | 4- = |
1- - = | 1 ×8+8× = | + = | 2÷ = |
| 3.25×4= | 1.9+0.1-1.9+0.1= |
| 解:2.2+3.57=5.77 | 1.125×8=9 | 35× =![]() | 4- =![]() |
1- - =![]() | 1 ×8+8× =12 | + =![]() | 2÷ =4 |
| 3.25×4=13 | 1.9+0.1-1.9+0.1=0.2 |