1.playing the computer

2.milk tea to Coca Cola

3.I have ever seen that horror film

4.to the hospital

5.awake

1.Can they speak English at the club?

2.They don't invite me to the parties very often

3.They are building many new roads in this city

4.They grow trees well in this soil

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là CUT 

các bạn cho mk vài li-ke cho tròn 880 với 

Cho đường tròn (C) có đường kính là AB với A(-2; 1), B(4; 1). Khi đó phương trình của (C) là:

A. x 2 + y 2 + 2 x + 2 y + 9 = 0

B. x 2 + y 2 + 2 x + 2 y − 7 = 0

C. x 2 + y 2 - 2 x - 2 y - 7 = 0

D. x 2 + y 2 − 2 x − 2 y + 9 = 0

1/The newspapers are delivered every morning
2/The letter is often written to me

3/That noise was made by the boy

4/Rice isn't grown along the river

5/The wine wasn't opened for the party

6/Are the lessons prepared carefully by these students?

7/Was your exercise done perfectly?

8/He is being given the details of the talk

9/The floor was being cleaned at that time

10/His daughter has just been taken to the dentist

11/She hasn't been called yet

12/English has to be spoken in the club

13/The phone might be used at night

14/My house can be seen from the park

15/Your exercises must be done carefully

toán lớp 6 đây à . sao khó thế  chắc cậu giỏi lắm nhỉ

Ta có: 1 - 1/2 = 1/2

1/2 - (1/2² + ...+ 1/2²⁰¹⁴)

Và: 1/2²⁰¹⁵ = 1/2¹⁰¹⁴ . 1/2

=> - (1/2² + ...+ 1/2²⁰¹⁴) < 1/2¹⁰¹⁴

Vậy: 1 - 1/2 - 1/2² - ...- 1/2²⁰¹⁴ < 1/2 ²⁰¹⁵