D. permitted + to V

A.55^o

1. You shouldn't copy friend's work

2. How often do you go to the gym?

3. You should prepare well for the exam

4. Nam is the tallest student in my class

5. No one is better at Maths than Hoa in my class

B. 

1.c

2.d

3.d

4.a

5.a

\(\dfrac{7}{8}-\dfrac{7}{16}-\dfrac{11}{32}=\dfrac{7.4}{8.4}-\dfrac{7.2}{16.2}-\dfrac{11}{32}=\dfrac{28}{32}-\dfrac{14}{32}-\dfrac{11}{32}=\dfrac{28-14-11}{32}=\dfrac{3}{32}\)

d,

 come up with a new idea : nảy ra ý tưởng mới