revision:imperatives write imperative statements 1.(not go) out.it's raining heavily 2.it's so cold.(close) the window please 3.(brush) your teeth right after meals 4.(not forget) to come bach early 5.(read) the story aloud 6.(not make) so much noise 7.(not talk) in class 8.(remember) to take good care of your teeth 9.(turn) off the cassette,please . it's so noisy 10.(not) eat green fruit , you'll be sick write sentences , use the cues given then turn into negative and interrogative 1.the students/grade 7/ go/excursion/last year ______________________________ ____________________________ _______________________________ 2.minh/be/fourteen/next month _____________________________ _________________________________- -_______________________________ 3.mr.brown/teach/english/now __________________________________ ___________________________________ _________________________________ 4.she/do/aerobics/every morning ___________________________ _______________________________ ___________________________________ 5.he/eat/a lot of sweets/last year _______________________ ________________________ __________________________ 6.they/have/party/tonight ____________________________ ______________________________ _____________________________ 7.she/forget/do/her homework/yesterday _________________________ ___________________________ ____________________________ 8.they /work/on/farm/at the moment ___________________________ _________________________ ___________________________ 9.he/often/play/sport/after school __________________________ _________________________ ___________________________ 10.the dentist/fill/the cavity/him/tomorrow _________________________________ ______________________________ ________________________________ giúp mk vs mk vote 5 sao

vẽ cho mình một chú mèo.Điệu đà chút xíu nhé

các bạn chỉ kẻ hình thôi nha bài 2 ý

phân tích các đa thức sau thành nguyên tử: y mũ 2(a-b)-2x(b-a)

Bài 1 1,C=V98 +V72+1/2V8 2,D=3V128 -2V18 +4V18 3,H=(V72 -2V2 -3V5).V2+V90 Bài 2 so sánh 1/2V50 với 1/5V200 2,1/3V2 với 1/2V3 3,1/4V82 với 6V1/7 4,-5V3 với -3V5 Bài 3 D=-V36+1/2.V150x-1/3.V54x (VỚI x lớn hơn hoặc bằng 0) F=(2Vx +3Vy) (3Vx -2Vy) Bài 4 khử mẫu biểu thức lấy căn 1,V5/27 2,V2/75 3,V49/27

Làm giúp mình câu b. Mình cảm ơn nhiều<3

tìm x , y , z biết a) x/2 = y/3 = z/5 và x + y + z = 90 b) 2.x = 3.y = 5.z và x - y + z = -33 c) x/3 = y/4 và x . y = 192

Phân tích đa thức sau thành nhân tử bằng phương pháp tác hạng tử: x ²+4x+3

1) Most passengers dislike…………to sit in small, uncomfortable seats on long flights. (have) 2) I must drive more carefully. I can’t risk…………another speeding ticket. (get) 3) You must keep…..on the computer until you understand how to use all of the programmes. (practise) 4) The judge demanded………..the original document, not the photocopy. (see) 5) Ms. Thompson is always willing to help, but she doesn’t want …………at home unless there is an emergency. A. to call B. to be called

tìm giá trị lớn nhất a,-x mũ 2 + 4x +3 b, -x mũ 2+x-1