0 x 4 = - 0, 1 x 4 = - 4, 2 x 4 = - 8, 3 x 4 = - 12, 4 x 4 = - 16, 5 x 4 = - 20,

Multiply by 4 First 6 Multiples

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?