<=> 46-x+11=-48

<=>-x=-48-11-46

<=>-x=-105

<=>x=105

C,2FeS2+7O2------->2FeO3+4SO2

384 ,5

A ,  Al2O3 +4HCl ----->2AlCl2 +2H2O

thánh thớt hay thánh thót v bạn

1.Dịch sang tiếng anh:

Cô Linh dạy tôi môn ngữ văn

Miss Linh teaches me literature.

2.Năm mới này tôi đi thăm ông bà

This new year I go to visit my grandparents.

3.Chị của bạn đang làm bài tâp về nhà phải không?

Is your sister doing the homeworks ? 

4.Tôi dự định sẽ đi Huế vào ngày mai

I am going to go to Hue tomorrow

2^x + 9 =17

=> 2^x = 17 - 9

=> 2^x = 8

=>2^x = 2³

=> x = 3

*ĐẶT 3 CÂU VỚI FIND

1. S + FIND + ST + ADJECTIVE

She finds English interesting .

2.S + FIND +  DOING ST + ADJECTIVE

We find doing homeworks very boring.

3. S + FIND + SB + ADJECTIVE

My parents finds you very clever and dynamic.

*ĐẶT 2 CÂU VỚI THINK 

1. S + THINK +(THAT )+ ST+ TOBE+ADJECTIVE

I think that internet is very helpful.

2.S + THINK +(THAT )+ DOING ST+ TOBE+ADJECTIVE

He thinks that doing laundry is difficult.

*ĐẶT 3 CÂU VỚI FIND

1. S + FIND + ST + ADJECTIVE

She finds English interesting .

2.S + FIND +  DOING ST + ADJECTIVE

We find doing homeworks very boring.

3. S + FIND + SB + ADJECTIVE

My parents finds you very clever and dynamic.

*ĐẶT 2 CÂU VỚI THINK 

1. S + THINK +(THAT )+ ST+ TOBE+ADJECTIVE

I think that internet is very helpful.

2.S + THINK +(THAT )+ DOING ST+ TOBE+ADJECTIVE

He thinks that doing laundry is difficult.

D