Quote:
下面是引用o_ice_o于2004-08-10 11:03 AM发表的 :
root2/2ln(1+x~4)+root2arctan({oot2 }x-1)-root2arctan([root2]x+1)+c
我想你应该看得懂的八
which way did he use????
i need to know that... the answer seems like the one i've got...
come tell me!!!! do you want me to call you???