user-avatar
tho2016
2 năm trước
VD9: Chứng minh a) $2k-1^{2}-9 $ chia hết cho 4 b) $4-1+3k^{2}$ chia hết cho 3
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. Mrs. Lan went to ................. school to meet her son’s teacher. A. none B. a C. an D.the 2. The workmen went to ................. church to repair the roof. A. none B. the C.a D.an 3. Carol went to ................. prison to meet her brother. A. the B. a C.an D.none 4. This morning I bought a newspaper and a magazine ................. newspaper is in my bag but I don’t know where ................. magazine. A. A/ a B. A/ the C.The/ the D. The/ a 5. My parents have ................. cat and ................. dog. The dog never bites the cat. A. a/ a B. a/ the C.the/ the D. the/ a 6. We live in ................. big house in ................. middle of the village. A. a/ a B. a/ the C.the/ the D. the/ a 7. I’m looking for ................. job. Did Mary get ................. job she applied for? A. a/ the B. the/a C.a/ a D. the/ the 8. Did ................. police find ................. person who stole your bicycle? A. a/ a B. the/ the C.a/ the D. the/ a 9. We went out for .............. meal last night ............. restaurant we went was excellent. A. a/ A B. the/ The C. a/ The D. the/ A 10. As I was walking along the street, I saw ................. 10 note on ................. pavement. A. a/ a B. the/ the C. a/ the D. the/ a

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team