Tại sao chai nước thường để trên bài không có vũng nước mà chia nước lạnh để trên bàn lại có vũng nước Giúp mình với mình cảm ơn nhiều ạ

phân tích đa thức thành nhân tử xˆ4+xˆ2+1

giúp em chi tiết vs lm ghi đầy đủ công thức lấy kết quả theo pi

I. Choose the words whose underlined part is pronounced differently from that of the othe in each group. 1. A. gym B. sky C. balcony D. laundr 2. A. island B. seafood C. serve D. summ 3. A. information B. population C. question D. transp 4. A. live B. listen C. think D. write 5. A. speaking B. teaching C. cleaning D. wearin 6. A. farmers B. groups C. markets D. parks 7. A. museums B. apartments C. buildings D. school 8. A. stores B. temples C. washes D. familie II. Choose the correct answer. 1. Who……….the shopping in your family? My mother……….. A. does/ do B. do/ does C. does/ is D. does/ does 2. They _________ with my opinion. A. agrees B. don’t agrees C. agree D. doesn’t agree 3. Kathy usually _________ in front of the window during the class. A. sits B. sitting C. sit D. is sit 4. What does this word _________? A. means B. meaning C. mean D. is mean 5. He _________ share anything with me. A. don’t do B. isn’t C. not D. doesn’t 6. I come from Canada. Where _________ you come from? A. are B. do C. is D. not 7. Jane _________ tea very often. A. doesn’t drinks B. drinks C. is drink D. isn’t drink 8. How often _________ you play tennis? A. do B. are C. is D. have 9. They _________ rice in cold climates. A. isn’t grow B. don’t grow C. aren’t grow D. doesn’t grow 10. She ……… English in a local secondary school. A. teach B. teaches C. don’t teach D. teacher IV. Give the correct form of the verbs to complete the sentences using the Present Simple. 1. They ____________ hockey at school. (play) 2. She ____________ poems. (not/ write) 3. ____________ you ____________ English fluently? (speak) 4. My parents ____________ fish. (not/like) 5. ____________ Anne ____________ any hobbies? (have) 6. Andy’s brother ____________ in a big building. (work) 7. ____________ Jim and Joe ____________ the flowers every week? (water) 8. Kent’s mother ____________ a motorbike. (not/ride)

Cho tam giác ABC đường cao AH, Gọi M,N lần lượt là điểm đối xứng của H qua AB và AC CMR: AM=AN

Khoaaaaaaaaaaaaaa Họccccccccccccc

ghi rõ công thức lm chi tiết lấy kết quả theo pi

làm bài 4 nha mn ...................

Lm giúp mình nha cảm ơn các bn nhiều lắm

Tìm n để 25 + `3^n` là số chính phương Giải giúp e với ;-;