Toán Lớp 7: 7. cho tam giac ABC. goi I la trung diem cua AC. Tren tia doi cua tia IB lay diem E sao cho IE = IB
chung minh : AE = BC
AE // BC
giup mik voi a mik can gap lam
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Toán Lớp 7: 7. cho tam giac ABC. goi I la trung diem cua AC. Tren tia doi cua tia IB lay diem E sao cho IE = IB
chung minh : AE = BC
AE // BC
giup mik voi a mik can gap lam
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