162*3:9-48 = 486:9-48 = 54-48 = 6
648:(5+4) = 648:9 = 72
784:75+371 = 1125+371 = 560+371 = 931
168:(7+1) = 168:8 = 21
171:97-29 = 197-29 = 133-29 = 104
936:(6+3) = 936:9 = 104
162*3:9-48 = 486:9-48 = 54-48 = 6
648:(5+4) = 648:9 = 72
784:75+371 = 1125+371 = 560+371 = 931
168:(7+1) = 168:8 = 21
171:97-29 = 197-29 = 133-29 = 104
936:(6+3) = 936:9 = 104