Question

[phùng tôn xuân đạt]

\(\frac{2}{5}\)=\(\frac{ }{10}\)

\(\frac{12}{30}\)=\(\frac{ }{10}\)

\(\frac{72}{45}\)=\(\frac{ }{8}\)

\(\frac{1}{4}\)=\(\frac{ }{7}\)

Answer 1

[Nguyễn Anh Quân]

2/5 = 4/10

12/30 = 4/10

72/45 = 12,8/8

1/4 = 1,75/7

Tk mk nha

Answer 2

[hạnh nguyễn thị]

2/5=4/10

12/30=4/10