5 ...............Where...... is your house ?

6 ...........What ........... is you favourite colour ?

7 ................What time ...... do lessons finish ?

8 ......What ............ is your favourite teacher ?

1 When is your birthday ?

2 .......What .......... do you eat for breakfast ?

3..............Whose.... jacket is this ?

4................Who..... is your best friend ?

9 .............Where.......... do your grandparents live ?

10 ..........How many .......... pencils are these ?

11 .......When ............ do you usually get up ?

12 .......................... is your dad 's name ?

a) x¹⁵ = x 

=> x = -1 ; 0 ; 1

b) [ 2x + 1 ]³ = 125

=>  2x + 1 = 5

2x = 5 - 1 = 4

x = 4 : 2 = 2

c) [ x - 5 ]⁴ = [ x - 4 ]⁶

=>  x - 5 = -1 ; 0 => x = -1 + 5 hoặc x = 0 + 5 => x = 4 hoặc x = 5

x - 4 = 0 ; 1   => x = 0 + 4 hoặc x = 1 + 4 =>  x = 4 hoặc x = 5

Vậy x = 4 hoặc x = 5