53 - 12 = - 31, 65 - 42 = - 23, 97 - 55 = - 42, 78 - 21 = - 57, 98 - 57 - 41, 23 - 10 = - 13, 56 - .... = 30 - 26, 64 - .... = 12 - 52, 37 - 26 = - 11, .... - 20 = 48 - 68,

J & A - calcule le plus vite possible

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?