Mathematics
Mathematics, 03.03.2021 19:40, Jenifermorales101

Triunghiurile echilaterale ABC și BCD sunt situate în plane diferite, iar E este mijlocul
laturii BC. Demonstrați că BC 1 (ADE).(dau coroana )​

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Triunghiurile echilaterale ABC și BCD sunt situate în plane diferite, iar E este mijlocul
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