А=8,b=4 ,a*b =8*4=32,a:b=8:4=2
a=18,b=3,a*b=18*3=54,a:b=18:3=6
a=24,b=x,a*b=24*x=144,x=144:24=6,24*6=144,a:b=24:6=4
a=x,b=7,a*b=x*7=245,x=245:7=35,a:b=35:7=5
a=66,b=x,a:b=66:x=6,x=66:6=11,a*b=66*11=726
a=72,b=x,a:b=72:x=9,x=72:9=8,a*b=72*8=576
a=0,b=25,a*b=0*25=0,a:b=0:25=0
a=75,b=1,a*b=75*1=75,a:b=75:1=75