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3 digit addition without regrouping

English 20 Public

addition

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321 + 145

466

15

452 + 23

475

15

514 + 32

546

15

631 + 168

799

15

742 + 11

753

15

823 + 76

899

15

634 + 25

659

15

521 + 348

869

15

712 + 15

727

15

431 + 244

675

15

622 + 40

662

15

814 + 124

938

15

926 + 53

979

15

345 + 51

396

15

411 + 122

533

15

145 + 133

278

15

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