512.(2-128)-128.(-512) giúp mik với ạ mik sẽ vote+ cảm ơn

Vẽ hình giúp mình bài 1 và 2 nhé

1/ _________________________________________________________ - He is practicing the guitar. 2/ __________________________________________________________ - I usually play soccer after school. 3 ___________________________________________________________ - My mother likes playing tennis. 4// __________________________________________________________ - Lan goes swimming three times a week. 5/ __________________________________________________________ -They are going to see a movie tonight. 6/ __________________________________________________________ -Nam wants to go shopping. 7/ ___________________________________________________________ -The children are in the library. 8/ ___________________________________________________________ -Children should brush their teeth after meals. V. Using “How often” . Then write questions and answers with the cue words. 1/ Nam/ go to the movies// usually _____________________________________________________________? ______________________________________________________________ 2/ They/ play volleyball// afternoon ______________________________________________________________? _______________________________________________________________ 3/ You/ go swimming//three times a week _______________________________________________________________? ________________________________________________________________ 4/ Nam and Lan/ play computer games// sometimes _______________________________________________________________? ________________________________________________________________ 5/ She/ go to the zoo _______________________________________________________________? ________________________________________________________________ 6/ He/ study in the library// never ________________________________________________________________? ________________________________________________________________ 7/ Hoa/ write to Tim// every month ________________________________________________________________? _________________________________________________________________ 8/Your mother/ play tennis// often ________________________________________________________________? ________________________________________________________________ 9/ The students/ go camping// twice a week _________________________________________________________________? ________________________________________________________________ 10/ Lan’s father/ watch TV// every night ________________________________________________________________? _________________________________________________________________ VI. Write the questions and answers about the activities after school with the cue words: 1/ you/ play badminton _______________________________________________? _________________________________________________________________ 2/ Nam/ study in the library ___________________________________________? __________________________________________________________________ 3/Tuan and Phong / play video games _____________________________________? ___________________________________________________________________ 4/ Your brother/ Watch videos ___________________________________________? ___________________________________________________________________ 5/ they/ go to the stamp collector’s club _____________________________________? ____________________________________________________________________ 6/ your sister/ learn to play the piano ________________________________________? ____________________________________________________________________ 7/ your children/ go swimming ____________________________________________? _____________________________________________________________________ 8/ Mai/ skip with her friends ______________________________________________? _____________________________________________________________________ 9/ your friends/ help their mother with the housework _____________________________________________________________________? _____________________________________________________________________ 10/ your teachers/ play blindman’s bluff _____________________________________________________________________? ___________________________________________________________________

Hai máy bơm cùng bơm nước vào một bể cạn thì trong 6 giờ 40 phút đầy bể. Nếu máy bơm thứ I bơm trong 4 giờ và máy bơm thứ II bơm trong 5 giờ thì hai máy bơm bơm đc 2/3 bể. Hỏi mỗi máy bơm nếu bơm 1 mình thì bao lâu đầy bể?

Số gia của hàm số f(x)=x^3 , ứng với x0=2 , denta x=1

Điền giới từ thích hợp Giúp em với ạ, em cảm ơn

với p là số nguyên tố , p>3 CMR:p^2-1 chia hết 24 gấp ạ

Hình chữ nhật có chiều rộng là a cm và chiều dài hơn chiều rộng là 7 cm. Hãy viết biểu thức biểu thị chu vi và diện tích của hình chữ nhật đó.

Quặng manhetit có chứa 80% Fe3O4 về khối lượng, còn lại là tạp chất trơ. Khi khử bằng CO sẽ tạo thành Fe và CO2. 1. Nếu dùng CO khử 0.5 tấn quặng trên cho tới khi pư hoàn toàn thì m Fe thu được là bnhieu? 2.Nếu H = 80% thì m Fe thu được là bnhieu? 3. Để thu 1 tấn gang có 95% m là Fe cần dùng bnhieu tấn quặng trên? Biết H = 80%

Bài 4 hình dưới, yêu cầu vẽ hình và lời giải đầy đủ, chi tiết