giúp mk phần mk khoanh ạ . mk cảm ơn ạ
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Bài 4:
Nhóm 1: x;1/3x; 8x
Nhóm 2: \(x^2;5x^2;-3x^2\)
Lỗi sai
1 C => which
2 C => stopped
3 A => bored
4 B => most
5 B => had stopped
6 C => that
7 C => had knowm
8 A => hadn't been
9 D => learned about
10 B => bỏ
11 B => have come
12 A => would have gone
13 C => would have returned
14 C => knew
1 C => hers
2 B => will use
3 D => their
4 A => will be pedaling
5 A => travel
6 C => less
7 D => have they
8 D => than
9 A => worked
10 B => fewer
1 me
2 too
3 done
doing
having
4 interested
5 as to
6 standing
when
7 helping
8 too
9 such
a
10 used
11 when
12 shouldn't
13 is - cost
Áp dụng tính chất của dãy tỉ số bằng nhau, ta được
\(\dfrac{a}{3}=\dfrac{b}{4}=\dfrac{b-a}{4-3}=23\)
Do đó: a=69; b=92
Chào em, em tham khảo nhé!
1. won't finish
2. had learnt
3. is
4. didn't rain
5. had gone
6. hadn't told
7. would understand
8. will throw
9. would be
10. will post
11. will go
12. is hitting
13. won't do
14. will make
15. will go
16. go
17. eat
18. was washed
19. will be built
20. was cleaned
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Does your father get to work by bicycle?
Does your father get to work by bicycle?