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Arithmetic ability: level two: mental addition of three-digit numbers.

Return to exercise selection

845 + 242 =

559 + 107 =

549 + 631 =

774 + 837 =

246 + 814 =

735 + 777 =

867 + 509 =

119 + 206 =

752 + 193 =

963 + 499 =

Return to exercise selection

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