Question

[chuche]

Tính:

a) 1\(\dfrac{1}{5}\) : 1\(\dfrac{1}{3}\)                         b) 2- (\(\dfrac{1}{2}\) + \(\dfrac{5}{6}\) )

Answer 1

[Ruynn]

a)= 6/5 : 3/4 = 6/5 . 4/3 = 24/15 
b) 2 - ( 3/6 + 5/6 ) = 2 - 8/6 = 2 - 4/3 = 2/1 - 4/3 = 6/3 - 4/3 = 2/3