Find out the correct answer for the unsolved equation based on a certain system.
If 67 * 90 @ 28 = 129, 81 @ 76 * 23 = 28 then 99 * 87 @ 105 = ?1
81
2
88
3
79
4
121
Find out the correct answer for the unsolved equation based on a certain system.
If 67 * 90 @ 28 = 129, 81 @ 76 * 23 = 28 then 99 * 87 @ 105 = ?