7B  8B  9B

4c

5b

6a

7c

8c

9c

10b

11d

12c

13c

(x:3-4).5=15

(x:3-4)=3

x:3=7

x= 21

(7-x)-(25+7)=-25

(7-x)-32=-25

7-x=7

=> x= 0

câu C

câu D nhé bạn

Vì R₁<R₂ nên cường độ dòng điện qua I₁ lớn hơn 

cái này là dấu sấp xỉ chứ không phải tương đương

sấp xỉ 0,2

1, I usually wear sport shoes

2, Yea of course I do, I have many different favourite kinds of shoes in my shoes collection :))

3, I often buy shoes depending on my mood :)

4, Shoes can be used as a cue to someone's personality or even his/her mood on that day. A study published in the Journal of Research in Personality in 2012 showed that 90 percent of people's personality is reflected in their choice of shoes. (my research on Google)

5, Uhm well, not actually, for me. Men may not interested in women's high heels, and women may not be interested in men's leather shoes. But by the way, they can both be interested in sport shoes or bisexual shoes. But who knows? Some of them may have the same attitude about shoes