Chứng minh rằng nhân dân ta từ xưa đến nay luôn sống theo đạo lí “Uống nước nhớ nguồn”, “Ăn quả nhớ kẻ trồng cây”.

Tìm số tự nhiên x biết: a) 6 chia hết (x – 1) b) 5 chia hết (x + 1) c) 12 chia hết (x +3) d) 14 chia hết (2x) e) 15 chia hết (2x + 1) f) 10 chia hết(3x+1) g) x + 16 chia hết x + 1 h) x + 11 chia hết x + 1

Tìm tất cả các số nguyên a biết (6a+1)chia hết cho (3a-1)

GIÚP MIK VỚI MAI ĐI HỌC RỒI Câu 6 : Cho hình vẽ Biết AB = 6cm và AM = 1/3 AB . Tính AM và BM

Perter earns $15,214 per month and Jane earns $14,786 per month Jane earns

Chứng minh rằng:S=2+2^2+2^3+2^4+2^5+2^6+2^7+2^8 chia hết cho -6.

30đ, vote và cảm ơn các thứ nha :D Viết cho em đoạn văn 12-15 câu về phép tương phản - tăng cấp trong bài Sống chết mặc bay

câu 7 nha các bạn giúp mình nha

can giai gap (2x+3)^2-(x-1)^2=0

EX1: Present simple or Present continuous. 1. A lot of water (flow) ........into the river every year. 2. They (visit).....the temples and pagodas at present. 3. Every girls and boys in the class (own).... his or her English textbook every term. 4. I don’t like her. She (always/talk)....so much. 5. Money and time (be) ... very necessary. EX2:Choose the best answer: 1. (May/Can/Shall) you show me the way to your heart? 2. - Congratulations! - (Thanks you/ Thank so much/ Thanks a lot)! 3. - I love you! - (Oh no/ Oh yes/ Oh really?) 4. - What do you think about me? - (Short hair/ Nothing interesting/ Perfect) ! 5. - Honey! I wanna go (to play/ playing/ play)! EX3:Put the correct tag questions for these sentences: 1. This won't take long ___? 2. She doesn't believe you_____? 3. It didn't matter very much_____? 4. He shouldn't put so much salt in it_____? 5. Mary couldn't leave the children alone_____? 6. You aren't doing anything tonight_____? 7. You wouldn't mind helping me with this_____? 8. George hadn't been there before_____? 9. The children weren't surprised_____? 10. You wouldn't like another drink_____?