x+1/6+1/24+1/60+1/120+1/336=1/4,则x是多少,

网友回答

x=(1/4-1/6)-(1/24+1/60+1/120+1/336)
=1/12-1/24-(1/60+1/120+1/336)
=1/24-1/60-1/120-1/336
=1/60-1/336
=23/1680
======以下答案可供参考======
供参考答案1:
x+1/6+1/24+1/60+1/120+1/336=1/4
x = 1/4 - 1/6 - 1/24 - 1/60 - 1/120 - 1/336
= 6/24 - 4/24 -1/24 - 2/120 - 1/120 - 1/336
= 1/24 - 3/120 - 1/336
= 5/120 - 3/120 - 1/336
= 2/120 - 1/336
= 1/60 - 1/336
= 28/1680 - 5/1680
= 23/1680