terooog urgent!!!!!!

(64+16):8=
80:8=10
(54+27):9=
81:9=9
(36+24):6=
60:6=10
(28+35):7=
63:7=9
(12+16+8):4=
(28+8):4=
32:4=8
(10+15+20):5=
(25+20):5=
45:5=9
sper ca te am ajutat =)