9 + ___ = 10, 2 + 9, 9 + 3, 4 + 9, 5 + ___ = 14, 9 + 6, 7 + 9, 9 + ___ = 17, 9 + 9, 10 + 9, 8 + ___ = 9, 2 + 8 , 8 + 3, 4 + 8, 5 + 8, 8 + 6, 8 + ___ = 15, 8 + 8, 9 +____ = 17, 10 + 8, 1 + 7, 2 + ___ = 9, 7 + 3, 4 + 7, 7 + ___ = 14.

Addition Facts

由
嵌入

排行榜

隨機輪盤是一個開放式範本。它不會為排行榜生成分數。

視覺風格

選項

切換範本

恢復自動保存: ?