а)18- 1,2,3,6,9,18; 42-1,2,3,6,7,14,21,42 нод(12;42)=6б)75-1,3,5,15,25,75; 45-1,3,5,9,15,45 нод(75;45)=15в)54-1,2,3,6,9,18,27,54 36-1,2,3,4,6,9,12,18,36 нод=18г)12-1,2,3,4,6,12 18-1,2,3,6,9,18 нод=6 д)12-1,2,3,4,6,12 75-1,3,5,15,25,75 нод=3е)18-1,2,3,6,9,18 30-1,2,3,5,6,10,15,30 нод=6ж)18-1,2,3,6,9,18 54-1,2,3,6,9,18,27,54 нод=18з)48-1,2,3,4,6,8,12,16,24,48 6-1,2,3,6 нод=6и)72-1,2,3,4,6,8,9,12,18,24,36,72 8-1,2,4,8 нод=8к)175-1,5,7,25,35,175 25-1,5,25 нод=25л)400-1,2,4,5,8,10,20,40,50,80,100,200,400100-1,2,4,5,10,20,25,50,100 нод=100м)72-1,2,3,4,6,8,9,12,18,24,36,72 9-1,3,9 нод=9