B4

Tìm ba số x, y, z biết rằng x:y:z=3:4:5 và x-2z=7

Giúp mik nhanh nha🙏🙏🙏

So sánh bốn kiểu môi trường thuộc đới nóng : môi trường xích đạo ẩm, môi trường nhiệt đới, môi trường nhiệt đới gió mùa và môi trường hoang mạc

r1=10 ôm

R2=30 ôm

R3=60 ôm

a, R=?

B, U=60v . I1,I2,I3,=?

B=(1/√a-2+1/√a+2).a-4/√a

Have your parents.... Newspapers recently?

A listened B spoken C watched D read

Chọn đáp án đúng nhất

1 Jun.... Franec for 4 months

A have learnt B learnt C learns D has learnt

2 She hasn't...... Us about that accident yet

A told B tell C said D say

21/22 < 1

tk mk nhé

8 + 7 = 115

tk mk nha mk biết cách đó

Rewrite

1. There area't any universities in my Village

My Village doesn't

2. My brother likes tennis

My brother 's favorite

3. No cities in Viet Nam are more historic than Hue

Hue is

4. I like english

My favorite

5. He enjoys doing karate

He is

6. Nga is not as tall as Ba

Ba is

7. He was lazy, so he got bad result

Because he was

8. There are three interesting fimls on VTV3 today

Today VTV3 has

9. How awful the pictures are!

What

Mai thi rồi, giúp mik với!!!!