1+1/2-1/3+4/1-1/5+.1/98的vb编程语句

1+1/2-1/3+4/1-1/5+.1/98的vb编程语句

for i=1 to 98
if i mod 2 then
m = m - 1 / i
else
m = m + 1 / i
endif
next
msgbox m