User contributions
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- 14:35, 3 December 2022 (diff | hist) . . (-8) . . Subtraction (→Skill Levels)
- 14:35, 3 December 2022 (diff | hist) . . (-2) . . Subtraction (→Skill Levels)
- 14:34, 3 December 2022 (diff | hist) . . (+7) . . Subtraction (→Skill Levels)
- 14:30, 3 December 2022 (diff | hist) . . (+1) . . Subtraction (→Skill Levels)
- 14:30, 3 December 2022 (diff | hist) . . (+2) . . Subtraction (→Skill Levels)
- 14:29, 3 December 2022 (diff | hist) . . (+170) . . Subtraction (→Skill Levels)
- 14:24, 3 December 2022 (diff | hist) . . (-1) . . Laws of Arithmetic (→Skill Levels) (current)
- 14:24, 3 December 2022 (diff | hist) . . (0) . . Laws of Arithmetic (→Skill Levels)
- 14:24, 3 December 2022 (diff | hist) . . (0) . . Laws of Arithmetic (→Skill Levels)
- 14:23, 3 December 2022 (diff | hist) . . (+20) . . Laws of Arithmetic (→Skill Levels)
- 14:21, 3 December 2022 (diff | hist) . . (+4) . . Laws of Arithmetic (→Skill Levels)
- 14:17, 3 December 2022 (diff | hist) . . (-14) . . Subtraction
- 03:24, 3 December 2022 (diff | hist) . . (+446) . . Subtraction (→"Let Me Help You")
- 03:22, 3 December 2022 (diff | hist) . . (+868) . . Subtraction (→Regrouping)
- 03:21, 3 December 2022 (diff | hist) . . (+2,021) . . Subtraction (→Entering Answers)
- 03:11, 3 December 2022 (diff | hist) . . (+311) . . Subtraction (→Front of User Manual)
- 03:05, 3 December 2022 (diff | hist) . . (+213) . . Subtraction (→Advertising Blurb)
- 03:03, 3 December 2022 (diff | hist) . . (+1,645) . . Subtraction (→Your Child and the Computer)
- 02:59, 3 December 2022 (diff | hist) . . (+1,413) . . Subtraction (→A Note to Parents)
- 02:57, 3 December 2022 (diff | hist) . . (+932) . . Subtraction
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