Question

DETERMINATI MULTIPLII DE 2 CIFRE AI NUMARULUI a)21 b)18 c)35 d)19

Answer 1

M ₂₁ = { 21 , 42 , 63 , 84 } 
M₁₈ = { 18 , 36 , 54 , 72 , 90 } 
M₃₅ = { 35 , 70} 
M₁₉ = [ 19 , 38 , 57 , 76 , 95 } 

Answer 2

a. m21=[21,42,63,84]⇒de doua cifre;
b. m18=[18,36,54,72,90];
c. m35=[35,70];
d. m19=[19,38,57,76,95];