9,3x6,7+9,3x3,3
=9,3x(6,7+3,3)
=9,3x10
=93

7,8x0,35+0,35x2,2
=(7,8+2,2)x0,35
=10x0,35=3,5
 

1. Your father……go….. (go) to work by bike everyday?

2. We ……aren't watching….. (not watch) television at the moment.

3. Let’s ……help….. (help) your friend, Nam. She (do) .......doing......her homework.

4. What are you…doing….. (do) this summer vacation?

- We……are visiting….. (visit) Ha Long Bay.

5. She …doesn't have.... (not have) breakfast at 6.30 every morning.

6. It often ……rains….. (rain) in summer.

- Bộ máy nhà nước cấp Cơ Sở gồm: phường, xã, thị trấn

- Do Đảng cử ra cho nhân dân bầu chọn

A: _Where__ are you going this summer holiday?

B: I'm going Hanoi.

A:__How__are you going?

B: By__train__

A: Why aren't you going by plane?

B: _Because_ I want to enjoy the sights along the way.

1. Where were you born?

=> I was born in Bac Ninh.

2. When did you start school?

=> Today I began to learn.

3.Did you like candies when you were 5 years old?

=> I don't know.

4.Where did you go last summer?

=> I went to Phu Quoc Island.

P/s: Tick cho mk nhoa !!!

Dùng cấu trúc "What+[a/an] + noun!' để viết câu cảm thán.

1 The weather is very awful.

=> What awful weather !

2 The meal is very delicious.

=> What a delicious meal !

3The boy is very clever.

=> What a clever boy !

-32⁸¹ và -64⁵³

Ta có:

32⁸¹ = (2⁵)⁸¹ = 2⁴⁰⁵

64⁵³ = (2⁶)⁵³ = 2³¹⁸

Vì 2^{405 >} 2³¹⁸

Nên -2⁴⁰⁵ < -2³¹⁸

Vậy -32⁸¹ < -64⁵³

-125⁹ và -625²

Ta có:

125⁹ = (5³)⁹ = 5²⁷

625² = (5⁴)² = 5⁸

Vì 5²⁷ > 5⁸

Nên -5²⁷ < -5⁸

Vậy -125⁹ < -625²

Điền từ:

Christmas is always held ___on___(1) December the twenty fifth every year. Every family in England decorates a Christmas tree and puts ___it__(2) in the middle of the living room. And Santa Claus plays an important ___part__(3) in this festival. There is a poem to relate him. In 1823, the patron saint of children, Saint Nicholas appeared in a poem ___called___(4) A Visit Saint Nicholas. The character in the poem ____was__(5) a fat jolly man who wore a ____red__ (6) suit and gave children ___presents__ (7) on Christmas Eve. The poem, which was ___written__(8) by Clement Clarke Moore, an American professor, became popular ___with__(9) the USA. Santa Claus is based ___on___(10) the description of Saint Nicholas in this poem.