HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Unit 5:
I.
1. C
2. C
3. B
4. A
5. B
6. D
7. B
8. C
II. *Thiếu đề
1. A
3. C
4. B
II.
1. B
5. C
6. A
srry =)))
à quên like có thể đi với V-ing hoặc to V
4. don't like eating
+) MTC : (2x2 + 2x) = 6x2 . (x + 1) . (x - 2) : (2x2 + 2x) = 3x . (x - 2)
+) MTC : (3x2 - 6x) = 6x2 . (x + 1) . (x - 2) : (3x2 - 6x) = 2x . (x + 1)
+) \(\dfrac{1}{2x^2+2x}=\dfrac{1.3x.\left(x-2\right)}{2x.\left(x+1\right).3x.\left(x-2\right)}=\dfrac{3x^2-6x}{6x^2.\left(x+1\right)\left(x-2\right)}\)
+) \(\dfrac{1}{3x^2-6x}=\dfrac{1.2x.\left(x+1\right)}{3x.\left(x-2\right).2x.\left(x+1\right)}=\dfrac{2x^2+2x}{6x^2.\left(x+1\right).\left(x-2\right)}\)
2x2 + 2x = 2x . (x + 1)
3x2 - 6x = 3x . (x - 2)
MTC: 6x2 . (x + 1) (x - 2)
1. himself
2. themselves
3. ourselves
4. yourself
5. herself
6. myself