题目内容
如图,在矩形OACB中,E和F分别边AC和BC的点,
满足AC=3AE,BC=3BF,若其
中λ,μ∈R,则λ+μ是
如图,在矩形OACB中,E和F分别边AC和BC的点,满足AC=3AE,BC=3BF,若其中λ,μ∈R,则λ+μ是( )
A. B.
C. D.1