a.)(5/3×1/2+5/4)×6/5=
(5÷3×1÷2+5÷4)×6÷5=
(1,(6)×0,5+1,25)×1,2=
(0,8(3)+1,25)×1,2=
2,0(3)×1,2=
2,5
b.)(5intregi si 3/7+2intregi si 8/9-3intregi si 3/4)×3/4=
(7×5+3+9×2+8-4×3+3)×3/4=
(35+3+18+8-12+3)×3/4=
(38+26-15)×3/4=
49×3/4=
49×(3÷4)=
49×0,75=
36,75
