Question

scrieți multiplii de doua cifre ai următoarelor numere naturale: a)20 b)25 c)30 d)27 e)23 f)18 g)17 h)15

Answer 1

a)20 -20,40,60,80
b)25 -25,50,75
c)30 -30,60,90
d)27 -27,54,81
e)23 -23,46,69,92
f)18 -18,36,54,72,90
g)17 -17,34,51,68,85
h)15-15,30,45,60,75,90

Answer 2

Multiplii de 2 cifre sunt:
a. M20  ={20,40,60,80}
b. M25 ={25,50,75}
c. M30={30,60,90}
d. M27={27,54,81}
e. M23={23,46,69,92}
f.M18={18,36,54,72,90}
g.M17={17,34, 51,68,85}
h. M15={15,30,45,60,75,90}