(99:9)*(64:16):2= 660:(36:12)+44= (51:3*2)*10:5= 720:(5*90:45)*6=

Question

(99:9)*(64:16):2=
660:(36:12)+44=
(51:3*2)*10:5=
720:(5*90:45)*6=

Answer 1

11*4:2=22
660:3+44=264
34*2=68
720:10*6=432