Bàn cờ vua là một hình vuông gồm n x n ô. Để dễ dàng cho các đấu thủ trong việc chơi cờ. Người ta tô màu ô đen xen kẽ với ô trắng. Yêu cầu: cho số nguyên n, hãy vẽ bàn cờ vua kích thước n x n. Biết rằng ô đầu tiên ở góc trên bên trái là ô trắng. Mỗi ô đen là 1 khối 3x3 ký tự B, mỗi ô trắng là 1 khối 3x3 ký tự W (xem ví dụ để hiểu thêm) Dữ liệu nhập: - Là số nguyên n ( 1 ≤ n ≤ 50) Dữ liệu xuất: - Gồm 3n dòng, mỗi dòng gồm 3n ký tự B (màu đen) hay W (màu trắng

Giúp mình với ạ mình đang cần gấp ạ!

1.whether they are rich / in many ways, / or poor / wearing uniform / helps students feel equal// Wearing uniform ______________________________________________________________ 2. are guilty of / and developing countries / polluting activities / both developed// Both developed Giúp mình với🥺

Chiều nay , Thương cùng các bạn ùa ra cây gạo. Nhưng kia, cả gầy nhằng trơ ra, cây gạo chỉ còn đã cho thuyền vào xúc cát biết tì lưng vào bãi ngô. Những người buôn cát ở khúc sông dưới gốc gạo. Cây gạo buồn thiu, những chiếc lá cụp xuống, ủ ê. ngay (Cây gạo ngoài bến sông - Mai Phương) a, Xác định thành phần câu (1 điểm); b, Chỉ ra mỗi câu trong đoạn văn thuộc loại câu gì (0,5 điểm)? c, Chỉ ra từ, câu dùng để liên kết cầu trong đoạn văn trên? Cách liên kết? (

Giải bài tập giúp mik với mấy bạn mik cần gấp

4/ You house needs to be redecorated.  Your house................................................. 5/ It's possible that he didn't get my letter.  He might ................................................................. 6/ You needn't have bought it for me.  It wasn't ........................................................................... 7/ I'm absolutely sure that they didn't go out in that weather.  They can't ..................................................................................................................... 8/ "Why didn't you tell me about it yesterday ?"  You should .................................................... 9/ I'm sure she didn't do it on purpose.  She can't.................................................................. 10/ It's possible that your car was stolen.  Your car .................................................... 11/ Perhaps Lan went to London.  Lan might...................................................... 12/ It's a pity that you didn't go to see that film at the cinema last night.  You should ............................................................................................................... 13/ "It was very careless of you to let the door open last night"  You shouldn't.................................................................................................. 14/ Perhaps Manh is repairing his bike now.  Manh may............................................ 15/ Perhaps they have two big houses in the suburb.  They ......................................... 16/ You ought to have reminded me about the meeting yesterday.  Why didn't .............................................................................................................

2/3+1/3 : x = -1 ạ giải hộ em với e đang cần gaaspppp ạ

Tìm min:P=2a^2-2ab+b^2-3a+1/a+2 sqrt(a-2) +2021

41. I’d rather not see him tomorrow. I don’t…………………………………………………………… 42. After many years of hard work,he retired. After he………………………………………………………….. 43. With the money he has saved, he can buy a house. His saving money………………………………………………. 44. We had to wait two hours for Ba. Ba kept………………………………………………………….. 45. It is difficult for us to make ends meet these days. We find………………………………………………………… 46. I am sorry, I interrupted your dinner. I apologized…………………………………………………….. 47. He does almost no work. He hardly……………………………………………………… 48. It's very difficult to leave here after such a long time. It isn't ......................................................................................................... 49. That restaurant is so dirty that no one wants to eat there. It is such ........................................................................................................ 50. You can't visit Moscow unless you get a visa. If you ..................................................................................... 51. Reading scientific books is one of my interest. I'm ............................................................................................................. 52. Jane is the tallest girl in her class. Nobody ......................................................................................................... 53. His parents made him study for his exam. He was made ................................................................................................ 54. Peter said he wasn't feeling well . Peter said " I ................................................................................................" 55. I'm pleased that we shall meet again soon. I'm looking .................................................................................................... 56. I have never met a famous person before. It is ............................................................................................................. 57. He said “I will go to school tomorrow.” He said …………………………………………………………………….. 58. “What kind of books do you read?” They asked Huong. They asked Huong………………………………………………………….. 59. The police has just caught the thief. The thief…………………………………………………………………….. 60. My classmate, Lan, loves to write letters. My classmate, Lan, enjoys………………………………………………….. 61. Ba is taller than Hung. Hung ……………………………………………………………………….. 62. They are going to build a new school here. A new school……………………………………………………………….. 63. The last time I saw him was in 1995. I haven’t 64. The furniture was so expensive that I didn’t buy it . The furniture was too 65. Unless he phones immediately he won’t get any information. If 66. We will solve the problem next week. The problem 67. The naught boys always draw on the wall. I wish 68. “ Would you like to go with me to the market, Mai ? ”- Ha said. Ha invited 69. “I’ll see you tomorrow, John.” Peter told John ............................................................................................................................... 70. “I left my umbrella here two days ago.” Susan told them………………………………………………………….......................

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