













còn típ leo xuống nakf
H
H
H
H
H
H
H
H
H
H
H
H(^^)
H=()
H//
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H

leo típ nào
H
H
H
H
H(**)
H=()
H//
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H(vv)
H=()
H//
met chua ti nua ik hit met lin
H
H
H
H
H
H
H
H
H
H
H
H

dc thi thk nhe kiem ti keng up tip nào
3crisp3 3crisp3 3crisp3