Giúp mình 2 câu này với a)-2/3xy^5z^4 và (-5)y^4z^3t^5 b)(-2)xy^5z^2.(-5)y^4z^3t^5 Tính tích của các đơn thức sau,rồi tìm bậc của mỗi đơn thức nhận đc

Hà mang tiền đi mua 20quyển vở . Khi đến cửa hàng hà đc khuyến mãi 20%.hỏi vs số tiền đó hả mua đc bao nhiêu quyển vở

0,5m = .... cm 3576m = ......km 6543kg = .... tấn 0,0768kg = ........g

giup mình với ạ mình cần gấp mà có phải nó ở phần 2 lịch su bài 27 -phải không ạ

Mn giúp mik vs 50 điểm và vote 5 sao ạ

Give the right form of the words in the brackets. 1. I saw a terrible accident last night, someone suggested (call) ……………… 115. 2. The boy ran away after he (break) ………………our windows. 3. What are the differences between Dong Ho (paint) ……………… and Sinh ones? 4. It’s not easy (give up) ……………… smoking. You must be very determined to be successful. 5. The examination was (difficult) ……………… than I expected. VII Write the correct form of the given word below. 1. The numbers of domestic tourists and foreign visitors to Quang Binh have increased ……………….. so far this year. 2. In 2014, the province welcomed 2.8 million tourist ……………….., which had been undreamed of before. 3. The park first earned the coveted honor in 2003 for its astounding……………….. and geomorphologic values. 4. The second recognition is based on the park’s stunning biological……………….. and resplendent landscape. 5. The management of the park was happy to receive a ……………….. certificate from the United Nations organization for the second time. significance arrive geology diverse recognize

3.Tuan and I are listening to music . a. we b. they c. you d. she câu này các bạn đổi Tuan and I thành ........ 4.What color .............. their dresses . a.do b. is c.are d. does 5.Phong buys small - sized shoes . His ............. are small . a. finers b. eyes c.hands d. feet 6. She has a ............ face . a. oval b. thin c. long d. round 7. There are .............. on the feet . a.toes b. fingers c. eyes d. hands 8.His sister isn't .............. She is tall. a. thin b. short c. fat d. heavy 9.What does he do ? He is a ............... a.weight lifter b.engineer c. strong d. weak 10. This woman is very old . She is .............. a. strong b. weak c. thin d. talll

Theo em " vảy" cá và " vảy" của thằng lằn bóng đuôi dài có cấu tạo và chức năng giống nhau không? Giải thích?

VIII. Complete the second sentence In eacl pair so that It has a similar meaning to the first sentence. 1. Follow these safety instructions or you may get burnt. If you ____________________________________________ 2. I suggest having spaghetti and pizza tonight. Let’s _____________________________________________ 3. My aunt has never tasted sushi before. This is _____________________________________________ 4. You need to peel the onion and slice it. The onion ___________________________________________ 5. Eating healthy foods is very important. It is ________________________________________________

giúp mình giải bài với ,cảm ơn ạ !