Sum X - simple math puzzle

SumX is a simple yet complex game.

SumX is dedicated to all those who are eager to train their math skills.

Its rules are not that easy. Take a look:

Aim of the Game
Collect as many sums as you can on the current level.

Game Rules
- The game is set of levels.
- Collect particular sums on each level.
- The aim sum to collect is shown in the header.
- Select adjacent numbers within a horizontal or vertical line that together are equal to the aim sum.
- If there are no more moves left and the sum of all collected sums is greater than the sum of numbers left on the field, then you have completed this level and can proceed to the next one.
Tip: Remove as many numbers from the field as you can, then the chance to complete the level is greater.

Did you get it? Fine! Lets go!