Make subtraction in the same row

[ridleyyeh]

Hi All

I know how to make subtraction from multiple rows but the question is how to make a subtraction in the same row

This is the row i want to make subtraction but i dont really know how to make "B-A","C-B","D-C" and so on....

Please help me with that

Thanks in advanced

[ridleyyeh]

If there's anything that i can add on please let me know