chị trên xinh hơn

.....................................oa chị hâm mộ à

1. which class are you in ?

2.What time does you brother get up ?

3.How are they traveling to work ?

4.What is near your house ?

5.where does Mr.Hoang work ?

a ) 0 : x = 0

Vậy x \(\in\) N

b ) 3^x = 9

3^x = 3²

=> x = 2

c ) 4^x = 64

4^x = 4³

=> x = 3

d ) 2^x = 16

=> 2^x = 2⁴

=> x = 4

e ) 9^{x - 1} = 9

=> 9^{x - 1} = 9¹

=> x - 1 = 1

=> x = 1 + 1

= x = 2 

f ) x⁴ = 16

=> x⁴ = 2⁴

=> x = 2

I 'm reading book and watching english cartoon

2.more expensive

3.more confortable

4.more historic

5.narrower

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danh từ riêng nha

có đề đâu mà làm , troll người à