o sa pun fractia asa "/"
a) 3/5 ori 10/9-7/8:7/4=
=2/3-7/8 ori 4/7=
=2/3-1/2=
=1/6
b)(35/9-3/2):(7/2+4/5)+8=
=43/18:43/10+8=
=43/18 ori 10/43+8=
=1/9 ori 5+8=
=5/9+8
=77/9
pe d nu m ai am timp sa l fac