527-454= 429+382= 277+290= 214-127= 886-771= 822+235= 619-579= 782-224= 498+739= 897+974= 346+889= 795-442= 497+981= 969+362= 591+580= 593+130= 462+457= 326-123= 754-442= 831+825= 620+965= 868-753= 763+226= 900+282= 766+434= 913-516= 383+687= 942+669= 888+384= 949-801= 566+438= 294-246= 606-274= 164+895= 372+823= 426+209= 639-330= 147+650= 445-395= 570+127= 344-126= 772+816= 893-686= 764-500= 736+533= 877+278= 546-369= 930+148= 304+882= 645-563= 725+428= 615-238= 358+510= 166-105= 666-148= 677+282= 974+986= 232+594= 755-266= 800-229= 202+451= 335-278= 921-458= 622-180= 737-701= 606+652= 600-194= 515+984= 531+813= 230+802= 338-262= 919-867= 349+820= 731+810= 117+508= 702-502= 572+820= 765+676= 239-160= 745+223= 319+954= 970-386= 802+440= 791-280= 433-192= 898+731= 703+217= 535-428= 789+161=