Cho tam giác ABC vuông tại A . Lấy E bất kì thuộc đoạn BC ( E khác B,C ). Qua E kẻ EM vuông góc với AB ; EN vuông góc với AC a) CM: Tứ giác AMEN là h

Cho tam giác ABC vuông tại A . Lấy E bất kì thuộc đoạn BC ( E khác B,C ). Qua E kẻ EM vuông góc với AB ; EN vuông góc với AC a) CM: Tứ giác AMEN là hình gì ? Vì sao? b) Tìm vị trí điểm E để tứ giác AMEN … Đọc tiếp

* mệnh đề mhaan quả 1. Because it is rain, we stopped the match = Because of 2. Because Tom was ill, he is absent today = Because of 3. Because she

* mệnh đề mhaan quả 1. Because it is rain, we stopped the match = Because of 2. Because Tom was ill, he is absent today = Because of 3. Because she is kind, every one loves her = Because of 4. Because I was too tired, I will have a long trip = Because … Đọc tiếp

Today, supermarkets are found in almost every large city in the world. But the first supermarket (31)_________opened only fifty years ago. It was open

Today, supermarkets are found in almost every large city in the world. But the first supermarket (31)_________opened only fifty years ago. It was opened in New York by a man named Michael Cullen. A supermarket is different (32)___________other types of stores in several ways. In supermarkets, goods are placed on open shelves. The(33)__________ choose what … Đọc tiếp