( )+( )=( ) ( )+( )=( )
( )-( )=( ) ( )-( )=( )
8+6= | 8-3= | 7+9= | 3+9= | 20-10= |
16-0= | 14+3= | 8+7= | 10-3= | 16-4= |
14-4= | 10+5= | 6+3-7= | 3+8+5= | 16-10+8= |
9-5+9= | 18-8-7= | 7+5-10= |
1120 | 168+8 | 1319-7 |
14 18-5 | 7+611 | 8+917 |
5+77+6 | 5+99+5 | 5+710-1 |
①
②