Question

3/5 - 1/4 + 7/20 = bao nhiu ạ:( giúp em vớiii

Answer 1

\(\dfrac{3}{5}-\dfrac{1}{4}+\dfrac{7}{20}=\dfrac{12}{20}-\dfrac{5}{20}+\dfrac{7}{20}=\dfrac{14}{20}=\dfrac{7}{10}\)

Answer 2

\(\dfrac{3}{5}-\dfrac{1}{4}+\dfrac{7}{20}=\dfrac{12}{20}-\dfrac{5}{20}+\dfrac{7}{20}=\dfrac{7}{20}+\dfrac{7}{20}=\dfrac{14}{20}\)

Answer 3

`3/5-1/4+7/20=12/20-5/20+7/20=14/20=7/10`

Answer 4

3/5 - 1/4 + 7/20

\(=\dfrac{12}{20}-\dfrac{5}{20}+\dfrac{7}{20}\)

\(=\dfrac{14}{20}=\dfrac{7}{10}\)

Answer 5

3/5 - 1/4 + 7/20=7/10