Question

[Lê Thị Bảo Trâm]

a) \(\dfrac{5}{2}\) \(+\dfrac{2}{3}-\dfrac{3}{4}\)

b)\(\dfrac{4}{5}-\dfrac{1}{2}+\dfrac{1}{3}\)

c)\(\dfrac{2}{5}\times\dfrac{1}{2}\div\dfrac{1}{3}\)

Answer 1

[DSQUARED2 K9A2]

a, 5/2 + 2/3 - 3/4

= 19/6 - 3/4

= 29/12

Answer 2

[DSQUARED2 K9A2]

b, 4/5 - 1/2 + 1/3

= 3/10 + 1/3

= 19/30