điền từ thích hợp :

at least , comfortable, flexible, easy , mall , remote , victim , with , advance , without

a) School regulations have to be ...................... in the countryside , so in some ................... schools students do not always wear uniforms

b) To do well in test , study .............. a week in ...................

c) ....................... treatment , a sanake - bite ................... will go into shock and die

d) It is more .......................... to shop in the ........................ than in the other shopping areas.

1) viết lại câu :

a) Walking on the grass in forbidden . It is ...............................

b) "Make good use of your time , Hoa " Minh said ................................................

c) I would like you to help me empty the basket. Do you mind ...................................

2) điền từ :

a) Her sister is charecter is different .......... hers.

b) I look forward ............ hearing your reply

c) I am bored ........... this program . when will is finish ?

3) tìm và sửa lỗi sai :

a) everyone have his own dreams about his future

b) I feel very pride to be a part of this football team

c) they do morning exercise so as improve their health

d) could you help me how solve this problem

4) điền từ :

a) I am not good ......... speaking English . I speak English ...............

b) When my granddad ........... still alive , he .......... to tell us stories

a) \(x-\dfrac{\dfrac{x}{2}-\dfrac{3+x}{4}}{2}=\dfrac{2x-\dfrac{10-7x}{3}}{3}-\left(x-1\right)\)

b) \(x^2-6x-2+\dfrac{14}{x^2-6x+7}=0\)

c) \(\dfrac{8x^2}{3\left(1-4x^2\right)}=\dfrac{2x}{6x-3}-\dfrac{1+8x}{4+8x}\)

d) \(\dfrac{13}{\left(2x+7\right)\left(x-3\right)}+\dfrac{1}{\left(2x+7\right)}=\dfrac{6}{x^2-9}\)

e) \(\left(1-\dfrac{2x-1}{x+1}\right)^3+6\left(1-\dfrac{2x-1}{x+1}\right)^2=\dfrac{12\left(2x-1\right)}{x+1}-20\)

1) giải pt :

a) \(\dfrac{7x+10}{x+1}\left(x^2-x-2\right)-\dfrac{7x+10}{x+1}\left(2x^2-3x-5\right)=0\)

b) \(\dfrac{13}{2x^2+x-21}+\dfrac{1}{2x+7}+\dfrac{6}{9-x^2}=0\)

c) \(\dfrac{x-49}{50}+\dfrac{x-50}{49}=\dfrac{49}{x-50}+\dfrac{50}{x-49}\)

d) \(\dfrac{1+\dfrac{x}{x+3}}{1-\dfrac{x}{x+3}}=3\)