Răspuns :
1,625 + 0,(6) + 0,8(3)
=
=1625/1000+6/9+(83-8)/90=
=13/8+2/3+75/90=
=13/8+2/3+5/6=
=(13×3+2×8+5×4)/24=
=(39+16+20)/24=
=75/24=25/8=3,125
=1625/1000+6/9+(83-8)/90=
=13/8+2/3+75/90=
=13/8+2/3+5/6=
=(13×3+2×8+5×4)/24=
=(39+16+20)/24=
=75/24=25/8=3,125