Question

3 / 5 + 4 / 25 = 

giúp mình nha mình sẽ tích cho các bn

Answer 1

\(\dfrac{3}{5}+\dfrac{4}{25}=\dfrac{19}{25}\)

Answer 2

\(\dfrac{3}{5}+\dfrac{4}{25}\\ =\dfrac{3x5}{5x5}+\dfrac{4}{25}\\ =\dfrac{15}{25}+\dfrac{4}{25}\\ =\dfrac{19}{25}\)

Answer 3

\(=\dfrac{15}{25}+\dfrac{4}{25}=\dfrac{19}{25}\)

Answer 4

\(\dfrac{3}{5}+\dfrac{4}{25}=\dfrac{15}{25}+\dfrac{4}{25}=\dfrac{19}{25}\)

Answer 5

19/25

Answer 6

= 15/25+4/25=19/25