finish kết thúc, hoàn thành.

Hihi Xin chào các bạn

9x32+9x66+9= 9x(32+66+1)

= 9x99= 861

= 9 x ( 32+66 )

= 9 x 98

= 882

ko có gì cả

these are blanks

I'm fine , thank you Tôi khoẻ , cảm ơn

tui rất khoẻ

69 : 5 = 13 dư 4

Tổng: 69 + 5 + 13 + 4 = 91

Kết quả của phép chia 69:5=13 dư 4

Vậy tổng là 69+5+13+4= 91

My name is Minh Tu

my name is

Hi. My name's Lan. I'm ten years old. Now I will talk about our teachers and friends. This is my teacher. Her name's Ms Hoa. She is thirty years old. Thank you for listening!

And this is my friend. Her name's Mina.
She is 11 years old.

I will talk about our hobbies.
I like drawing .
And Mina likes listening to music.

Hello. My name is Trúc. I like drawing.

We are 11 years old.

Welcome to our school! It is big and nice.

This is our classroom.

That is our library.

Now, let’s go to the playground. It is my favourite room because I like playing with my friends

Hello. My name is My. I like singing. We are 10 years old. Welcom to our school! It's spacious and beautiful. This is our class room. That is play ground. Now, let's go to the muisic room. It's my favourite room because I like playing the piano.

(57-4)×4-20+5×(30:5)-45+30

=53×4-20+5×6-45+30

=212-20+30-45+30

=192+30-45+30

=222-45+30

=177+30

=207

sai là tớ chịu

(57 - 4) x 4 - 20 + 5 x (30 : 5) - 45 + 30

= 53 x 4 - 20 + 5 x 6 - 45 + 30

= 212 - 20 + 30 - 45 + 30

= 192 + 30 - 45 + 30

= 222 - 45 + 30

= 177 + 30

= 207