Math puzzle - Nine game

Goal of the game is to insert numbers from 1 to 9 - without repetitions - in the green cells in a way that, following the operations shown in the red cells (+, -, X), the results must be equal to the ones in the last column and in the last row (yellow cells). Choose the green cell where you want to insert the number through the number pad and then touch Enter. Touch and hold icons for:

The first one catches the screenshot and saves it

The second one deletes only the green cells

The third one gives the solution

The fourth one creates another combination