25 + ____ = 60 40 - ____ =18 ____ - 23 = 13 56 + ____ =59 ____ + 3 = 40 ____ - 5 = 10 29 + ____ = 38 68 + ____ = 70 ____- 15 = 30 66 - ____ = 51 ____ + 8 = 70

Symbols for unknown numbers

排行榜

視覺風格

選項

切換範本

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