$\frac{xyz}{x-1}$ có phải đơn thức k?

2. _______________ ancestors has been followed by Vietnamese for ages. (worship) 3. Only a _______________ of British households don’t have a car. (minor)

giúp em 1 câu này với ạ . e cảm ơn

Bài 8: Tính hớp lí: b) 8,4. 84,5+ 840. 0,155 c) 0,78. 1300+50. 6,5-39 d) 0,12. 90-110. 0,6+36- 25.6

Câu 4 (3đ): Trên cùng một nửa mặt phẳng bờ chứa tia Ox, vẽ tia Oy và Ot sao cho: xOy = 300; xOt = 700. a, Trong 3 tia Ox, Oy, Ot, tia nào nằm giữa 2 tia còn lại? b, Tính góc yOt, Tia Oy có phải là phân giác của góc xOt không? c, Gọi Om là tia đối của tia Ox. Tính góc mOt? d, Gọi tia Oa là phân giác của góc mOt, tính góc aOy?

Giúp mình bài này nhanh nha,mình đang thi😥

Chỉ mình cách giải đi mấy bạn ( chi tiết nha ) chỉ 1 câu thôi!

Vẽ cho mình 1 chàng trai đeo kính đang cười đi, kính gọng tròn càng tốt nhé

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks. Environmental pollution is a term that refers to all the ways by (1).......man pollutes his surroundings. Man dirties the air with exhaust gases and smoke, contaminates the water with chemicals and other substances, and damages the (2) .....with too many fertilizers and pesticides. Man also pollutes his surroundings in various other ways. For example, people ruin natural beauty by scattering junk and litter on the land and in the water. Environmental pollution is one of the most serious problems (3) .............. mankind today. Air, water, and soil are necessary to the survival of living things. Badly polluted air can cause illness, and even death. Polluted water kills fish and other (4) ....life. Pollution of soil reduces the amount of land that is available for growing food. Environmental pollution also brings ugliness (5) .......man’s natural beautiful world. Câu 31. A. that B. whom C. which D. whose Câu 32. A. soil B. forest C. beach D. stream Page 6 of 8 Câu 33. A. faces B. faced C. to face D. facing Câu 34. A. human B. marine C. animal D. plant Câu 35. A. to B. on C. for D. in

6. There are always ____________ regional differences in every country. A. a B. an C.  D. the 7. There’s a custom ____________ when two people meet, they rub or touch each other’s noses. A. of B. for C. with D. that