111 . The rule is: A,B = A * B + B / A, so 2,6 = 2*6 + 6/2 = 15 For 6,18 it is 6*18 + 18/6 = 111
ANSWER: 111; RULE IS X*Y + Y/X; SO, 6*18 + 18/6 = 108 +3 =111
If 2,6=5 4,9=7 6,11=8 8,15=11 then 12,18=?
If 5 - 4 = 23 8 - 1 = 63 6 -16 = 32 9 - 9 = 78 3 - 9 = 6 then 3 - 81 = ?