tinhnho
Sep23-04, 07:47 PM
hi everyone
can anyone help me solve 1a and 2a ? i can do 1b and 2b ,but dont know how to start 1a and 2a thanks frist.
here is the question : http://viethost4u.com/toan/untitled1.GIF
can anyone help me solve 1a and 2a ? i can do 1b and 2b ,but dont know how to start 1a and 2a thanks frist.
here is the question : http://viethost4u.com/toan/untitled1.GIF