Unlocking Mathematical Reasoning: Crack the Code Puzzles

If 13+1=11, 25+2=22, 36+3=33, 52+9=59, Then 34+5=?. Can you solve this Crack the Code Puzzle?
1. Unlocking Mathematical Reasoning: Crack the Code Puzzle

There are 5 maths logic puzzles in this article. Each of these reasoning brainteasers contains a set of logical number equations. These reasoning equations contain a hidden logical pattern that is applied to each of the equations in each puzzle image. Your puzzle challenge in these puzzles is to crack the logical code and find the value of the question mark in the last equation.

If 123=345, 456=91011, 254=769 and 439=71312 Then 345=?.  Can you solve this Crack the Code Puzzle?
2. Unlocking Mathematical Reasoning: Crack the Code Puzzle

 

If 145=159, 236=259, 327=359, 416=457 Then 512=?. Can you solve this Crack the Code Puzzle?
3. Unlocking Mathematical Reasoning: Crack the Code Puzzle