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- Mathematics
- ファイルサイズ: 6320 KB
- 価格: $19
- ダウンロード: 991
- 作者: Flix Productions
- 説明:
Teaches addition, subtraction, multiplication and division for children from 1st through 4th grades. It provides exercises in addition and subtraction with and without regrouping. Problems can involve up to 9 digits. Puzzle and maze games are used for rewards.
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- 無料ダウンロード