A) 2/5 - 6/7 - 1/10 b) -1/2 : (- 3/4)

Question

A) 2/5 - 6/7 - 1/10 b) -1/2 : (- 3/4)

Answer 1

2/5 - 6/7 - 1/10=140/350-300/350-35/350=-195/350=-39/70

 

-1/2 : (- 3/4)=-1/2*(-4/3)=2/3

Answer 2

а) 2/5 - 6/7 - 1/10=-39/70

б) -1/2:(-3/4)=2/3