Phân số bằng nhau

\(\dfrac 7 {14} = \dfrac 1 2 = \dfrac 2 4 = \dfrac 3 6\)

7/14=1/2=3/6=4/8

2 bn minh sẽ tik

a: 2/3;4/6

b: 5/3; 25/15; 50/30; 75/45; 125/75

a,\(\dfrac{2}{3},\dfrac{4}{6}\)

b,\(\dfrac{5}{3},\dfrac{25}{15},\dfrac{50}{30},\dfrac{75}{45},\dfrac{125}{75}\)

a: 1/3=2/6=3/9=4/12=5/15

b: 2/4=3/6=4/8=5/10=6/12

a) \(\dfrac{1}{3}=\dfrac{2}{6}=\dfrac{3}{9}=\dfrac{4}{12}=\dfrac{5}{15}=\dfrac{6}{18}\)
b) \(\dfrac{1}{2}=\dfrac{2}{4}=\dfrac{3}{6}=\dfrac{4}{8}=\dfrac{5}{10}=\dfrac{6}{12}\)

a: 1/3=2/6=3/9=4/12=5/15

b: 2/4=3/6=4/8=5/10=6/12

a và d đúng

b và c sai

Đ

S

S

Đ
tích mình đi

Đ

S

S

Đ

\(\dfrac{3}{5}=\dfrac{6}{10}=\dfrac{9}{15}=\dfrac{12}{20}\)

6/10

9/15

12/20

3/5 = 6/10= 9/15 = 12/20

lỗi r

Lỗi rồi bn ơi

lỗi

5/7

5/7

\(\dfrac{5}{7}\)

help me

\(\dfrac{7}{8}=\dfrac{35}{40}\)

bạn rút gọn 35/40 thành 7/ 8 nhé

bên kia bn điền 8 nhé

\(\dfrac{5}{9}=\dfrac{15}{27}\) 

\(\dfrac{5}{9}=\dfrac{15}{27}=\dfrac{20}{36}=\dfrac{30}{54}\)

\(\dfrac{5}{9}=\dfrac{15}{27}=\dfrac{20}{36}=\dfrac{30}{54}\)

\(\dfrac{15}{40}=\dfrac{3}{8}\)

15

\(\dfrac{15}{40}=\dfrac{3}{8}\)