Question

completeaza spatiile punctate
......+36-42=35
91- ......+27=51

Answer 1

notăm spatiul cu x 1)=> x+36-42=35
x+36= 35+42
x+36= 77 =>x= 77-36=41
2) 91-x+27=51=> 91-x= 51-27
91-x= 24 => -x=24-91=>x = 67