Răspuns :
Raspuns:Multiplii lui 2 = 0,2,4,6,8,10,12,14,16,18,20.....din 2 in 2
Multiplii lui 5=0,5,10,15,20,25,30,35,40,45,....din 5 in 5
Multiplii lui 10= 0,10,20,30,40,50,60,70,80,90,100....din 10 in 10
a) 1) 25< 26,28,30...80<81
2) 25< 30,35,40,...,80<81
3) 25< 30,40,50,...,80<81
b) 1) 10<= 10, 12,14,16,...,58<60
2) 10<= 10,15,20,...,55<60
3) 10<= 10,20,30,...,50<60
c) 1) 90< 92,94,96,...,104<=105
2) 90<95,100,105<=105
3) 90<100<=105
D) 1) 16<=16,18,20,...,52<=52
2) 16<= 20,25,30,...,50<=52
3) 16<= 20,30,40,50<=52