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\(\frac{515151}{313131}=\frac{515151:10101}{313131:10101}=\frac{51}{31}\)

Học tốt nhé

26 tháng 2 2019

51*10101/31*10101=51/31

16 tháng 12 2017

thiếu đề

15 tháng 4 2016

Ta có : 4 - 1/3 = 11/3 = 3,(6) = 3,7

37/6 - 1/3 = 35/6 = 5,8(3) = 5,8

x thuộc ( 4 )

Vì x nguyên

Đúng nha  Super Broly

15 tháng 4 2016

ta có : 4 - 1/3 = 11/3 = 3,(6) = 3,7

37/6 - 1/3 = 35/6 = 5,8(3) = 5,8

x thuộc (4)

vì x nguyên

Đúng nha Super Broly

\(\frac{11}{10}=\frac{11.11}{10.11}=\frac{121}{m}\)

\(\Rightarrow m=110\)

26 tháng 2 2019

11/10=121/m

=>11xm=10x121

=>11xm=1210

=>m=1210:11

=>m=110

2323/4545 = 2323 : 101/4545:101=23/45

26 tháng 2 2019

đều chia cho 101 nhé

2323:101=23

4545:101=45

phân số còn:23/45

1. What a ............ doll! My children like it very much.A. betterB. lovelyC. awfulD. expensive2. My brother’s favourite is table ............ .A. baseballB. footballerC. basketballD. tennis3. Who’s .......... ? – It’s my friend, Nam.A. thatB. hisC. herD. it4. ............... is your aunt’s address? – It’s on the table.A. WhereB. HowC. WhenD. Which5. His house is ............... to my house.A. behindB. in frontC. nextD. near6. My house is ...................... .A. thisB. thatC....
Đọc tiếp

1. What a ............ doll! My children like it very much.

  • A. better
  • B. lovely
  • C. awful
  • D. expensive

2. My brother’s favourite is table ............ .

  • A. baseball
  • B. footballer
  • C. basketball
  • D. tennis

3. Who’s .......... ? – It’s my friend, Nam.

  • A. that
  • B. his
  • C. her
  • D. it

4. ............... is your aunt’s address? – It’s on the table.

  • A. Where
  • B. How
  • C. When
  • D. Which

5. His house is ............... to my house.

  • A. behind
  • B. in front
  • C. next
  • D. near

6. My house is ...................... .

  • A. this
  • B. that
  • C. big
  • D. many

7. ..................... does school year start and finish?

  • A. Why
  • B. What
  • C. When
  • D. Which

8. Who’s that?

  • A. That’s my school library.
  • B. There’re six chairs.
  • C. That’s my brother.
  • D. That’s a desk.

9. ................... are you? – I am fine.

  • A. How
  • B. How old
  • C. How’s
  • D. What

10. George is short. He needs ....................... .

  • A. a large size
  • B. a medium size
  • C. a small size
  • D. a big size

11. Please, open the door. It’s ............ in here.

  • A. hot
  • B. cold
  • C. warm
  • D. rainy

12. My class is ..... 7 a.m ....... 11 a.m everyday.

  • A. between/ from
  • B. from/ in
  • C. from/ to
  • D. at/ at

13. What’s her name? - .............. .

  • A. My name’s Hien.
  • B. I’m Linda.
  • C. Her name’s Thanh Hoa.
  • D. He is Thanh.

14. What time is it? – It ......... four fifteen.

  • A. is
  • B. has
  • C. at
  • D. in

15. Happy birthday, Mary. This cake is for ................. .

  • A. I
  • B. you
  • C. he
  • D. she

16. How many pets do you have?

  • A. She has two.
  • B. I have two.
  • C. He has two.
  • D. I has two.

17. There are two ................... in my house.

  • A. bedrooms
  • B. living-room
  • C. classrooms
  • D. kitchen

18. Can she play the piano?

  • A. Yes, I can.
  • B. Yes, he can.
  • C. Yes, she can.
  • D. Yes, we can.

19. What’s the weather like in winter?

  • A. It’s hot.
  • B. It hot.
  • C. It’s cold.
  • D. It cold.

20. Is this … school bag? – Yes, it is mine.

  • A. My
  • B. your
  • C. you
  • D. his

Exercise 4: Choose the odd one out.

1.

  • A. write
  • B. sing
  • C. read
  • D. friend

2.

  • A. my
  • B. you
  • C. he
  • D. she

3.

  • A. hour
  • B. minute
  • C. hand
  • D. second

4.

  • A. write 

  • B. sing
  • C. read
  • D. friend

5.

  • A. cheese
  • B. cake
  • C. water
  • D. bread

6.

  • A. milk
  • B. orange juice
  • C. water
  • D. book

7.

  • A. play
  • B. music
  • C. listen
  • D. write

8.

  • A. he
  • B. she
  • C. It
  • D. They

9.

  • A. game
  • B. ruler
  • C. school bag
  • D. pencil

10.

  • A. Music
  • B. English
  • C. Math
  • D. reading
9

1,B

2,D

3,A

4,A

5,C

6,C

7,C

8,C

9,A

10,C

11,D

12,C

13,C

14,A

15,B

16,B

17,A

18,C

19,C

20,B

Exercise 4:

1,D

2,A

3,C

4,D

5,C

6,D

7,B

8,D

9,A

10,D

K MÌNH

26 tháng 5 2019

CHOOSE THE BEST ANSWER

1.B

2.D

3.A

4.A

5.C

6.C

7.C

8.C

9.A

10.C

11.A

12.C

13.C

14.A

15.B

16.B

17.A

18.C

19.C

20.B

CHOOSE THE ODD ONE OUT

1.D

2.A

3.C

4.D

5.D

6.D

7.B

8.D

9.A

10.D

HOK TOT

28 tháng 11 2016

\(\frac{a.n.h.y.e.u}{e.m}=e.m.c.o.b.a.u\)

hay thay cac chu =so {0..9}