1. (2023一下·榕城期中) 我会算

11-8=              6+10=                 17-6=                9+6=

7+8=               14-7=                 13-4=                18-9=

14-3=              5+8=                  12+5=                7+6=

3+12=              12-9=                 13-10=               10+10=