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kimquynh2602
2 năm trước
giúp mik với mik đg cần từ ngữ địa phương - toàn ^_^
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3) Tim x 1. 33x + 135 = 26.9 17. 124 + ( 118 - x ) = 217 2. 108. ( x - 43 ) = 0 18. 156 - ( x + 61 ) = 82 3. 39. ( x - 5 ) = 39 19. x - 280 : 35 = 5.54 4. ( x - 14 ) : 2 = 3 20. ( x - 120 ) : 35 = 5 5. ( 30 - 4x ) = 92 21. x - 120 : 30 = 40 6. 5 ( x + 7 ) = 0 22. ( x + 120 ) : 20 = 8 7. 25 ( x - 4 ) = 0 23. 2 ( x + 100 ) = 800 8. ( 34 - 2x ) ( 2x - 6 ) = 0 24. 5x + 10.9 = 990 9. ( 2019 - x ) ( 3x - 12 ) = 0 25. 3 ( x + 5 ) = 300 10. x : 13 = 41 26. 2x + 21 : 3 = 27 11. 1428 : x = 14 12. 4x : 17 = 0 13. 7x - 8 = 713 14. 8 ( x - 3 ) = 0 15. 0 : x = 0 16. ( x - 35 ) - 120 = 0 Luy Thua 1) Viet cac ket qua sau duoi dang mot luy thua a) a. a. a. a. a. a. a b) 2. 3. 2. 2. 3. 3. 2. 2. 2 c) $a^{3}$. $a^{2}$. $a^{5}$ d) $a^{6}$. $a^{12}$. a e) $8^{3}$. $8^{6}$ f) 8. 16. 32 g) 3. 27. 81 h) 10. 100. 10000 i) $7^{5}$ : $7^{2}$ j) $7^{7}$ : $7^{5}$ k) $x^{12}$ : $x^{5}$ ( x $\neq$ 0 ) l) $x^{8}$ : $x^{3}$ ( x $\neq$ 0 ) cac bn oi giup mk vs sao cha ai giup mk the mk dang can gap cac bn oi giup mk ik bn nao xong nhanh va dung mk se cho ctrlhn va cam on va vote ma chi can cac bn giup mk thoi nha

On Friday’s afternoon, after school, I usually surf the Net or listen to music. In the evening I often go to the cinema with my friends. On Saturday morning I get up late and have breakfast. Then I play football with my classmates in the park. In the afternoon I watch TV (usually a football match). In the evening I go to my best friend’s place – we sometimes play computer games, or we talk. On Sunday morning I do my homework. Then I listen to music or watch TV. On Sunday evening I surf the Net again, or read a book. 1. Where does Phong often go on Friday evening? …………………………………………………………………………… 2. When does he play football? …………………………………………………………………………… 3. What does he watch on Saturday afternoon? …………………………………………………………………………… 4. What does he do on Sunday morning? …………………………………………………………………………… 5. When does he surf the Net? ……………………………………………………………………………

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