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21 tháng 4 2022

2/5

21 tháng 4 2022

2/5

7 tháng 5 2022

\(\dfrac{2}{5}+\dfrac{1}{6}\times\dfrac{6}{7}=\dfrac{2}{5}+\dfrac{6}{42}=\dfrac{2}{5}+\dfrac{1}{7}=\dfrac{14}{35}+\dfrac{5}{35}=\dfrac{19}{35}\)

2/5 + 1/6 x 6/7 =2/5+1/7=14/35+5/35=19/35

29 tháng 1 2022

ưdaswawdawas

13 tháng 3 2022

a) 4+2/5=22/5

b) 5/4+2=13/4

c) 3+3/2=9/2

d) 3/4-1/8=5/8

e) 17/15-7/10=13/30

g) 25/12-15/8=5/24

h) 5-4/3=11/3

i)15/4-3=3/4

13 tháng 3 2022

a)\(\dfrac{4}{1}+\dfrac{2}{5}=\dfrac{20}{5}+\dfrac{2}{5}=\dfrac{22}{5}\)

b)\(\dfrac{5}{4}+\dfrac{2}{1}=\dfrac{5}{4}+\dfrac{8}{4}=\dfrac{13}{4}\)

c)\(\dfrac{3}{1}+\dfrac{3}{2}=\dfrac{6}{2}+\dfrac{3}{2}=\dfrac{9}{2}\)

d)\(\dfrac{3}{4}-\dfrac{1}{8}=\dfrac{6}{8}-\dfrac{1}{8}=\dfrac{5}{8}\)

e)\(\dfrac{17}{15}-\dfrac{7}{10}=\dfrac{34}{30}-\dfrac{21}{30}=\dfrac{13}{30}\)

g)\(\dfrac{25}{12}-\dfrac{15}{8}=\dfrac{50}{24}-\dfrac{45}{24}=\dfrac{5}{24}\)

h)\(\dfrac{5}{1}-\dfrac{4}{3}=\dfrac{15}{3}-\dfrac{4}{3}=\dfrac{11}{3}\)

i)\(\dfrac{15}{4}-\dfrac{3}{1}=\dfrac{15}{4}-\dfrac{12}{4}=\dfrac{3}{4}\)

19 tháng 8 2021

1 My aunt doesn't like going to the cinema

2 What do you like doing?

3 My brothers don't like eating cheese

4 Do you like playing the guitar

5 My parents like watching TV in the evening

6 Does Jenny get up at 7.00

8 What is your sister's hobby 

19 tháng 8 2021

1 My aunt doesn't like going to the cinema

2 What do you like doing?

3 My brothers don't like eating cheese

4 Do you like playing the guitar

5 My parents like watching TV in the evening

6 Does Jenny get up at 7.00

8 What is your sister's hobby 

30 tháng 1 2022

2 ballons

3 gloves

4 smile

5 music

6 could

7 clock

1 với 8 mk chx lm đc

30 tháng 1 2022

present

balloons

gloves

smile

music

could

clock

slippers

31 tháng 10 2021

sits / reads / goes/ watches/ brushes/ listens/ walks/ fixes/ hears /plays /studies/ repeats 

31 tháng 10 2021

1. sits

2. reads

3. goes

4. watches

5. brushes

6. listens

7. walks

8. fixes

9. hears

10. plays

11. studies

12. repeats

20 tháng 1 2022

1+2.(His/They/He)wants(us/our/we)to go to class tomorrow.

3+4.(They/Their/Them)don't like (we/our/us)brothers.

5+6.(She/They/Her)goes to school with (me/I/my)son.

7+8.These letters are for(you/your/they)and(my/I/me).

9+10+11.(Me/My/I)want(him/his/he)to call(my/I/me)sister right now.

12+13+14.(They/Their/Them) give (my/I/me)a present on(me/my/I)birthday.

15+16+17.(Our/We/Us)know all about (you/your/we)friends and (your/you/us.

18+19+20+21.(Us/We/our) look after(they/their/them) children for(their/them/they)while(they/their/them)are away

20 tháng 1 2022

1+2.(His/They/He)wants(us/our/we)to go to class tomorrow.

3+4.(They/Their/Them)don't like (we/our/us)brothers.

5+6.(She/They/Her)goes to school with (me/I/my)son.

7+8.These letters are for(you/your/they)and(my/I/me).

9+10+11.(Me/My/I)want(him/his/he)to call(my/I/me)sister right now.

12+13+14.(They/Their/Them) give (my/I/me)a present on(me/my/I)birthday.

15+16+17.(Our/We/Us)know all about (you/your/we)friends and (your/you/us.

18+19+20+21.(Us/We/our) look after(they/their/them) children for(their/them/they)while(they/their/them)are away