1.       homework/ the / to / students / ought / their / carefully /do/

       @__________________________________________________________________________

2.       has / the chores / to / today / Mai / do / himself /

       @__________________________________________________________________________

3.        clean/ the/ teacher/ me/ told/ to/ blackboard/the/

       @__________________________________________________________________________

4.       She / my class / is / enough / old / in/ not/ to be/

       @__________________________________________________________________________

5.        how/ English/ to/ me/ tell/ study/ you/ Could/?

       @__________________________________________________________________________

6.         studying/ English/ very much/ enjoys/ she/

       @__________________________________________________________________________

7.         I usually sleep late on Sundays.

       @ I enjoy____________________________________________________________________

Bài 1: Tìm số nguyên n để phân số M=2n−75n có giá trị là số nguyên.

Bài 2: Tìm x biết :

a) /x - 3/ =2.(x+2)

b)1130 : (2416 - 2415 )-112 −34 4x−12  = (-1115 ) : (815 - 813 )