f(x1x2)=f(x1)+f(x2) x>1时f(x)>0 f(2)=1

来源：学生作业帮助网编辑：六六作业网时间：2025/02/03 09:49:52

f(x1x2)=f(x1)+f(x2)x>1时f(x)>0f(2)=1f(x1x2)=f(x1)+f(x2)x>1时f(x)>0f(2)=1f(x1x2)=f(x1)+f(x2)x>1时f(x)>0f

f(x1x2)=f(x1)+f(x2) x>1时f(x)>0 f(2)=1
f(x1x2)=f(x1)+f(x2) x>1时f(x)>0 f(2)=1

word打的好辛苦啊