Question

Giúp mik

Answer 1

\(\dfrac{17}{8}-\dfrac{13}{25}-\dfrac{12}{25}+\dfrac{15}{8}\\ =\left(\dfrac{17}{8}+\dfrac{15}{8}\right)-\left(\dfrac{13}{25}+\dfrac{12}{25}\right)\\ =\dfrac{32}{8}-\dfrac{25}{25}\\ =4-1\\ =3\)

Answer 2

= 17/8 + 15/8 - ( 13/25 + 12/25)

= 32/8 - 1

= 4-1

= 3

Vậy giá trị biểu thức là 3