摘要：4．□-□=9 □+□=9 □+□=8 □-□=8 □+□=13 □-□=7 □+□=12 □-□=6
网址：http://m.1010jiajiao.com/timu3_id_577794[举报]
| 9+8= | 35-5= | 5+7-3= | 12-4+5= |
| 16-9= | 13-8= | 11-6= | 5+9= |
| 13+3= | 18-9= | 20-8= | 16-7= |
| 16-9-6= | 4+7+8= | 17-9-5= | 80+5-5= |
| 5+9-7= | 17-8-9= |
| 9+8= | 35-5= | 5+7-3= | 12-4+5= |
| 16-9= | 13-8= | 11-6= | 5+9= |
| 13+3= | 18-9= | 20-8= | 16-7= |
| 16-9-6= | 4+7+8= | 17-9-5= | 80+5-5= |
| 5+9-7= | 17-8-9= |