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\(\dfrac{3^{11}.11+3^{11}.21}{3^9.2^5}\)
= \(\dfrac{3^{11}.\left(11+21\right)}{3^932}\)
= \(\dfrac{3^{11}32}{3^9.32}\)
= 32
= 9
1. hobby
2. borrow
3. characters
4. kind
5. hard-working
6. married
7. Her hobby is reading books.
8. It's Snow White and the Seven Dwarfs.
9. She was beautiful and kind.
10. They were kind and hard-working
11. The story had a happy ending
1. Hobby
2. Borrow
3. ko biết
4. Kind
5. Hard-working
6. Married
1, hobby
2, borrow
3,characters
4,kind
5,hard-working
6,married
1 hobby
2 borrow
3 characters
4 kind
5 hard-working
6 married
x ⋮ 10; x ⋮ 12 ⇒ x ∈ BC(10; 12)
Ta có:
10 = 2.5
12 = 2².3
⇒ BCNN(10; 12) = 2².3.5 = 60
⇒ x ∈ BC(10; 12) = B(60) = {...; -180; -120; -60; 0; 60; 120; 180; ...}
Mà -150 < x < -100
⇒ x = -120
x ⋮ 10; x ⋮ 12 ⇒ x ∈ BC(10; 12)
Ta có:
10 = 2.5
12 = 2².3
⇒ BCNN(10; 12) = 2².3.5 = 60
⇒ x ∈ BC(10; 12) = B(60) = {...; -180; -120; -60; 0; 60; 120; 180; ...}
Mà -150 < x < -100
⇒ x = -120
1. fish
2. furniture
3. Physics
4. knowledge
5. umbrellas
6. trees
7. rice
8. milk
1 fish
2 furniture
3 Physics
4 knowledge
5 umbrellas
6 trees
7 rice
8 milk
2 - \(x\) = 17 - (-5)
2 - \(x\) = 17 + 5
2 - \(x\) = 22
\(x\) = 2 - 22
\(x\) = -20
1. an
2. an
3. a
4. a
5. a
6. a
7. a
8. a
9. a
10. an
11. a
12. a
13. a
14. a
15. a
16. a
17. an
18. a
19. a
20. a
21. a
22. a
1 an
2 an
3 a
4 a
5 a
6 a
7 a
8 a
9 a
10 an
11 a
12 a
13 a
14 a
15 a
16 a
17 an
18 a
19 a
20 a
21 a
22 a
