cha đẻ của vật lý là ai ?

Tìm x:

$\sqrt{x^2 + 2x + 1} - \sqrt{x + 1} = 0$

điền vào chỗ trống cần gấp

I like sports very much. I’m very.............................

A. sport B. sporty C. fun D. funny

She wants....................... to the movies.

A. to go B. go C. going D. goes

There aren’t any good movies.......... at the moment.

A. for B. on C. in D. to

My sister is a stamp.................................

A. collect B. collector C. collection D. collecting

What does your brother............................on Sunday?

A. do often B. often do C. does often D. often does

Ba has a large...........of foreign stamps.

A. collect B. collector C. collection D. collecting

Hãy tưởng tượng gặp gỡ bé Thu trong truyện ngắn Chiếc lược ngà

Đa thức 3x + 9y được phân tích thành nhân tử là?

điền vào chỗ trống cần gấp

What time is it? It’s twenty.............. ten.

A. for B. at C. in D. to

Would you like to go to my house?......................

A. No, thanks B. Yes, please

C. That’s good D. I’m sorry. I can’t

How often do you play sports?......................................

A. Everyday B. two times

C. each day D. very much

She likes.................... volleyball.

A. play B. to plays C. playing D. plays

120:{54-[50:2-[9-8]}