题目内容
| 口算. 36+64= | 45+45= | 67+33= | 1000-389= |
| 456+544= | 65-56= | 63-27= | 123+877= |
| 36+64=100, | 45+45=90, | 67+33=100, | 1000-389=611, |
| 456+544=1000, | 65-56=9, | 63-27=36, | 123+877=1000. |
练习册系列答案
相关题目
题目内容
| 口算. 36+64= | 45+45= | 67+33= | 1000-389= |
| 456+544= | 65-56= | 63-27= | 123+877= |
| 36+64=100, | 45+45=90, | 67+33=100, | 1000-389=611, |
| 456+544=1000, | 65-56=9, | 63-27=36, | 123+877=1000. |