1 tìm phân số a/b bằng phân số 18/27. Biết rằng ƯCLN của a,b là bằng 13 2 tìm x biết x -1/3 = 2/5 x. 2/5-1/3=2/5 2/5.x + 1/3.x = 2/3 3 tính tổng A =

1 tìm phân số a/b bằng phân số 18/27. Biết rằng ƯCLN của a,b là bằng 13 2 tìm x biết x -1/3 = 2/5 x. 2/5-1/3=2/5 2/5.x + 1/3.x = 2/3 3 tính tổng A = 3/1.3 + 3/3.5 + 3/5.7 +…+ 3/49.51 MN giúp mình với ạ, mai mình thì rồi. Hic hic

Replace the relative clauses by an infinitive or infinitive phrase. 6. The Queen Elizabeth is the largest ship which has been built on the Clyde. -> 7

Replace the relative clauses by an infinitive or infinitive phrase. 6. The Queen Elizabeth is the largest ship which has been built on the Clyde. -> 7. We had a river in which we could swim. -> 8. She said that she wasn’t going to buy any cards; she hadn’t anyone to whom she could … Đọc tiếp