∴∠ADE=∠B,∠AED=∠C

∫△ABC is an equilateral triangle

∴∠B=∠C=∠A

∠∠B =∠C =∠A，∠ADE=∠B，∠AED=∠C

∴∠ADE=∠AED=∠A

That is, △ADE is an equilateral triangle with three equal angles.