Question

tìm các phân số bằng nhau :

\(\frac{2}{5},\frac{4}{7},\frac{12}{30},\frac{12}{21},\frac{20}{35},\frac{40}{100}\)

Answer 1

\(\frac{2}{5}=\frac{12}{30}=\frac{40}{100}\)

\(\frac{4}{7}=\frac{12}{21}=\frac{20}{35}\)

nha

anh bn

Answer 2

\(\frac{2}{5}\)\(=\)\(\frac{12}{30}\)\(;\)\(\frac{4}{7}\)\(=\)\(\frac{12}{21}\)\(Done\)

Answer 3

nooooooooooooo

Answer 4

\(\frac{4}{7}\)=\(\frac{12}{21}\),\(\frac{2}{5}\)=\(\frac{40}{100}\),\(\frac{4}{7}\)=\(\frac{20}{35}\)

Answer 5

\(\frac{2}{5}\)\(=\)\(\frac{12}{30}\)\(=\)\(\frac{40}{100}\)

\(\frac{4}{7}\)\(=\)\(\frac{12}{21}\)\(=\)\(\frac{20}{35}\)