求第二问过程,
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求第二问过程,
求第二问过程,
求第二问过程,
(2)
∠MAN = ∠EAN - ∠EAM = (1/2)∠BAE - (1/2)∠EAF = (1/2)(∠BAE - ∠EAF) = (1/2)BAF = (1/2)∠AFG
求第二问过程,
求第二问过程,
求第二问过程,
(2)
∠MAN = ∠EAN - ∠EAM = (1/2)∠BAE - (1/2)∠EAF = (1/2)(∠BAE - ∠EAF) = (1/2)BAF = (1/2)∠AFG