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)6、已知直线DE经过点A , DE∥BC ,∠B=44゜ , ∠C=50 ゜ ∵DE ∥BC (已知) ∴∠DAB= ∠ _____ = _____ ゜ ( ) ∵ DE ∥BC (已知) ∴∠EAC ...

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