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Xiao Min's reasoning is incorrect. Omit correct reasoning.

Question 2: The condition is or. Prove it briefly.

Question 3: To judge whether two triangles are co

Do your math homework.

Xiao Min's reasoning is incorrect. Omit correct reasoning.

Question 2: The condition is or. Prove it briefly.

Question 3: To judge whether two triangles are co

Do your math homework.

Xiao Min's reasoning is incorrect. Omit correct reasoning.

Question 2: The condition is or. Prove it briefly.

Question 3: To judge whether two triangles are congruent, the essential factor is edges, and at least one pair of edges must be equal.

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