Question

bài 14: tính

a,\(\dfrac{4}{5}\) + \(\dfrac{1}{4}\) x \(\dfrac{2}{3}\)

b,\(\dfrac{7}{12}\) + \(\dfrac{3}{4}\) : \(\dfrac{3}{8}\) - \(\dfrac{1}{4}\)

Answer 1

a,4/5+1/6
=29/30

b,7/12+2-1/4
=31/12-1/4
=7/3