Question

a) 13 supra 5 -2,(6) :5 supra 3=
b) 1,(6) : (3 -3 supra 5 ) +0,5 :3 + 2,2⁰ =

Answer 1

a) 13/5-2,(6):5/3=
=13/5-8/3•3/5= {simplifici 3 si 3 cu 3}
=13/5-8/5=
=5/5=
=5:5=
=1

b) 1,(6):(3-3/5)+0,5:3+2,2 la 0= {la ,,(3-3/5)" amplifici 3 cu 5}
=5/3•5/12+1/5•1/3+1=
=25/36+1/15+1=
=317/180