146+275= 307+826= 725-368= 400-26= 438+262 = 417-48= 435-359= 300-154= 560+780 = 365-137= 563-284 = 700-47= 236-119= 523-483= 213-175= 500-489=
146+275=421 307+826=1133 725-368=357 400-26=374 438+262=700 417-48=369 435-359=76 300-154=146 560+780=1340 365-137=228 563-284=279 700-47=653 236-119=117 523-483=40 213-175=38 500-489=11