ậu học toán lớp mấy vậy?

Ta có: 2520=23.32.5.7

suy ra 23.5.7 có tất cả các ước là: (3+1).(1+1).(1+1)=16 (ước)

Vậy số các ước tự nhiên của số 2520 chia hết cho 3 là: 16.2=32

Vậy số 2520 có tất cả 32 ước tự nhiên chia hết cho 3.

A

sau hai nam thu vien do co 8640 quyen

có 1 hoặc 4 ông sư

tui có chục cái luôn

1. D

2. D

3. A

4. The problem is the garbage heap grew and began to smell, sometimes it caught fire, and making it hard for everyone to breathe.

5. Yes, they did.

6. They learned to reduce, reuse and recycle.

1. A. digital​​ B. personal ​​C. excellent ​​D. electric

2. A. similar​​ B. symbolic​​ C. effective ​​D. eternal

3. A. successful​ B. cognitive​​ C. different​​ D. wonderful

4. A. efficient​ B. exciting​​ C. distracting​​ D. portable

5. A. convenient ​B. permanent​​ C. attractive​​ D. important

6. A. modernize​ B. organize​​ C. indicate​​ D. continue

7. A. graduate ​B. develop​​ C. consider​​ D. enable

8. A. concentrate​ B. benefit​​ C. understand ​D. mobilize

9. A. introduce​ B. stimulate ​​C. recognize​​ D. emphasize

10. A. exercise​ B. volunteer​​ C. calculate​​ D. interview

Chuyển NOUN -> VERB

waster -> waste

belief -> believe

promise -> promise

advice -> advise

description -> describe

invention -> invent

goverment -> govern

Chuyển NOUN -> ADJECTIVE

honesty -> honest

variety -> various, variable

madness -> mad

mystery -> mysterious

beauty -> beautiful

wealth -> wealthy

success -> successful

comfort -> comfortable

peace -> peaceful

1 The painting stolen last year has been found

2 This is the book written by Gorky

3 The boy talking To Lan is Nam

4 Who is the boy playing over there?

5 The house built in the century has collapsed

6 I'd like to visit the castle standing on the hill

7 All of the boys sitting here are my friends

8 The people living in my neighbourhood are very friendly