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