Question

Quantos números de 2 algarismo podemos formar com os digitos 3,5,6,7 e 8?

Answer 1

com 3: 3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84,87,90,93,96,99

com 5: 5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95

com 6: 6,12,18,24,30,36,42,48,54,60,66,72,78,84,90,96

com 7: 7,14,21,28,35,42,49,56,63,70,77,84,91,98

com 8: 8,16,24,32,40,48,56,64,72,80,86,94