Kolik musíš doplnit do daného výsledku?

11 + = 15	13 + = 16	12 + = 14	11 + = 17
12 + = 17	+ 12 = 18	+ 14 = 18	18 + = 19
+ 17 = 20	+ 19 = 20	16 + = 20	18 + = 20
+ 14 = 20	11 + = 20	13 + = 20	+ 10 = 20
+ 13 = 19	13 + = 17	13 + = 19	11 + = 14