如图,AB>AC,AD⊥BC,AE平分∠BAC,求证:∠DAE=二分之一(∠C-∠B)
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已知:如图,AD平行BC,AE平分∠BAD,AE⊥BE;说明:AD+BC=AB
已知:如图,AD平行于BC,AE平分∠BAD,AE⊥BE;说明:AD+BC=AB
已知:如图,AD∥BC,AE平分∠BAD,AE⊥BE;说明:AD+BC=AB.
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