|
33+6= |
6+16= |
21-4= |
10+20+8= |
|
9+31= |
40-6= |
28+6= |
27-10-7= |
|
66-6= |
35-20= |
19+9= |
75-20+7= |
|
38+9= |
67-9= |
58-9= |
65+10-6= |
