Question

10 + 2 = 12 12 − 2 = 10 What are these operations called? Transverse operations Reverse operations Divided operations Inverse operations

Answer 1

It is called inverse operations.

Answer 2

Inverse operations are operations that undo each other. 
In this case, 10 + 2 = 12, and 12 - 2 = 10 
A multiplication example could be 4 x 2 = 8, and 8 ÷ 2 = 4

Answer is inverse operations.