The answer is 69. Simply add the numbers together arithmetically as you would for the problem two plus two. To check your work, a calculator is the best option.
67 plus 3 equals 70.
194
117
17+67= 84
67 + 9 = 76
In the standard base ten system, 2 + 2 = 4
(25 +21) * 2 = 92 25 + (21 * 2) = 67
-25 + -42 = -67
97.8
the answer is 67
no it = 10
123