题型：单选题 题类：常考题 难易度：普通
一年级 加、减两步式题(20以内进位、退位，连加、连减、加减混合)842
| 12-9= | 14-8= | 12-4= | 13-6= | 7+8-6= |
| 16-7= | 11+5= | 9+5= | 12-7= | 8+3-4= |
| 16+3= | 12-6= | 18-8= | 7+7= | 13-9+3= |
| 13-7= | 5+8= | 14+5= | 15-9= | 12+6-9= |
13+7= | 18-8= | 9+9= | 14-10= |
15-8= | 5-0= | 3+10= | 9+8= |
2+8-10= | 20-10-7= | 17-7+3= | 16-4+5= |
（ ）＋9=20 | 4+（ ）=12 | 7+（ ）=16 | 3+2+( ）＝10 |
试题篮
