数字4,4,4,9的24点计算结果如下：

(4 - ((4 - 9) * 4))

(((9 - 4) * 4) + 4)

(4 - (4 * (4 - 9)))

((4 * (9 - 4)) + 4)

(4 + ((9 - 4) * 4))

(4 + (4 * (9 - 4)))