Question

Rút gọn các phân số:

\(\dfrac{15}{25}\);     \(\dfrac{18}{27}\);     \(\dfrac{36}{64}\).

Answer 1

3/5

2/3

9/16

Answer 2

ngu dốt

Answer 3

Answer 4

= 3/5 

= 2/3

=9/16

                                 ngan:3

Answer 5

3/5 

2/3

9/16

Answer 6

15/25=3/5

18/27=2/3

36/64=9/16

Answer 7

3/5

2/3

9/16

 

Answer 8

15/25 = 3/5

18/27 = 2/3

36/64 = 3/4

Answer 9

3/5;2/3;9/16

Answer 10

3/5

2/3

9/16

Answer 11

a) 58=5.38.3=152458=5.38.3=1524

b) 712=7.112.1=712712=7.112.1=712

c) 38=3.38.3=924

Answer 12

3/5

2/3

9/16

Answer 13

3/5

2/3

9/16

Answer 14

\(\dfrac{3}{5};\dfrac{2}{3};\dfrac{9}{16}\)

Answer 15

3/5,2/3,9/16

 

Answer 16

15/25 = 3/5

18/27 = 6/9 = 2/3

36/64 = 4/16

Answer 17

15/25=3/5

18/27=2/3

36/64=9/16

 

Answer 18

\(\dfrac{3}{5}\)   ;    \(\dfrac{2}{3}\)   ;    \(\dfrac{9}{16}\).

Answer 19

3/5

2/3

9/16

 

Answer 20

`15/25=(15:5)/(25:5)=3/5`

`18/27=(18:9)/(27:9)=2/3`

`36/64=(36:4)/(64:4)=9/16`

Answer 21

3/5
2/3
9/16

 

Answer 22

3/5

2/3

9/16

Answer 23

3/5

2/3

9/16

Answer 24

2/5;2/3;9/16

Answer 25

3/5

2/3

9/16

Answer 26

3/5,2/3,9/16

Answer 27

3/5 ; 2/3 ; 9 / 16

Answer 28

3/5

2/3

9/16