1) 7+4 = 11, 8+3 = 11, 5+6 = 11, 10+1 = 11, 9+2 = 11, 4+7 = 112) 6+5 = 11, 11+1 = 12, 10+2 = 123) 7+5 = 12, 8+4 = 12, 9+3 = 12
1) 7+4 = 11, 8+3 = 11, 5+6 = 11, 10+1 = 11, 9+2 = 11, 4+7 = 11
2) 6+5 = 11, 11+1 = 12, 10+2 = 12
3) 7+5 = 12, 8+4 = 12, 9+3 = 12