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Three-digit abdication subtraction exercise in second grade mathematics
322-258= 40 1- 189= 253-97= 207-39=

46 1-484= 3 14-95= 3 12-79= 40 1-354=

363-94= 448- 172= 438-24 1= 449- 13 1=

292-257= 8 1 1-356= 75 1-59= 462-232=

274-46= 372-54= 485-53= 993-296=

457-58= 805-286= 657-388= 302-243=

406-249= 326-229= 405-2 16= 344-245=

307- 136= 228- 169= 760-289= 372- 175=

253-58= 407- 189= 326- 182= 600-258=

700-292= 500-78= 400-348= 722-248=

14 1-69= 222- 158= 473- 184= 378-255=

486-305= 490-246= 47 1- 185= 806-37=

370-8 1= 72 1- 188= 849-337= 235- 187=

454-266= 327- 148= 407-225= 440-396=

448-59= 4 12-28= 4 16- 15 1= 352- 173=

436-77= 350-86= 737-569= 300- 182=

463-97= 40 1-336= 726-538= 803-265=

675- 138= 4 1 1-259= 4 12-229= 943-435=

303-297= 462- 176= 477- 178= 735-289= 708-223= 8 10- 154= 870-383= 800-325=