Question

[0,(3)+0,5-1/30]:(1-1/5)la puterea 2

Answer 1

[0,(3)+0,5-1/30]:(1-1/5)²=
=(3/9+5/10-1/30):(4/5)²=
=(1/3+1/2-1/30)×25/16=
=(10+15-1)/30×25/16=
=24/30 x25/16=
=3/6 x 5/2=
=1/2x5/2=
=5/4