1)5424+3837=8765, 5424+3837=9261
2)8312-4507=1543, 8312-4507=3805
3) 2149+4365=9765, 2149+4365=6514
4)6944-3196=1654, 6944-3196=3748
5)1284+2319=5087, 1284+2319=3613
6) 6007-3224=3883, 6007-3224=2783
А)НОК (4,5)=20 б)НОК (3,11)=33 в)НОК (7,8)=56
4,8,12,16,20,,, 3,6,9,12,15,18,21,24,27,30,33,,, 7,14,21,28,35,42,49,56,,,
5,10,15,20,,, 11,22,33,,, 8,16,24,32,40,48,56,,,
г)НОК (9,10)=90 д)НОК (5,13)=65
9,18,27,36,45,54,63,72,81,90,,, 5,10,15,20,25,30,35,40,45,50,55,60,65,,,
10,20,30,40,50,60,70,80,90,,, 13,26,39,52,65,,,
и т.д