Question

viết 5 phân số bằng mỗi phân số dưới đây
a,3/5=.............................
b,1/2=.............................
c,54/72=.........................
d,18/30=.........................

Answer 1

Tham khảo:

a ) 3/5 = 6/10 = 9/15 = 12/20= 15/25= 18/30

b) 1/2 = 2/4 = 3/6= 4/8 = 5/10 = 6/12

c) 54/72 = 3/4 = 27/36 = 18/24= 9/12= 6/8

d) 18/30= 9/15= 6/10= 3/5= 36/60= 54/90

Answer 2

Tham khảo:

a ) 3/5 = 6/10 = 9/15 = 12/20= 15/25= 18/30

b) 1/2 = 2/4 = 3/6= 4/8 = 5/10 = 6/12

c) 54/72 = 3/4 = 27/36 = 18/24= 9/12= 6/8

d) 18/30= 9/15= 6/10= 3/5= 36/60= 54/90

Answer 3

a.0,6

b.0,5

c.0,75

d.0,6

Answer 4

a.\(\dfrac{3}{5}\) = \(\dfrac{6}{10}\)

b.\(\dfrac{1}{2}\) = \(\dfrac{2}{4}\)

c.\(\dfrac{54}{72}\) = \(\dfrac{3}{4}\)

d.\(\dfrac{18}{30}\) = \(\dfrac{3}{5}\)