355.
265
265 + 426 = 691
265
385
480
265 + 358*263 - 533.194 = 265 + 94154 - 533.194 = 93885.806
2.676767... = 265/99 = 2 67/99 2.6777... = 241/90 = 2 61/90
270
The result of the equation - 90 plus 90 plus 60 plus 80, is found as follows; 90 + 90 + 60 + 80 = ( 90 + 90 ) + 60 + 80 = 180 + ( 60 + 80 ) = 180 + 140 = 320 Answer = 320
65 + 65 + 65 + 90 + 90 + 90 + 90 + 50 + 50 + 50 + 50 + 50 + 50 + 20 + 20 + 20 + 20 + 20 + 20 + 20 = 995
90 + 90 + 60 = 240
390