Question

Dati cate 3 exemple de multiplii ai numarului 3 ce au ultima cifra egala cu: a)cu 1 , b)cu 2 , c)cu 3 , d)cu 0 , e)cu 7 , f)cu 8

Answer 1

a) 21,81,141;
b)12,42,72;
c)33,63,93;
d)30,90,150;
e)27,87,117;
f)18,48,78;

Answer 2

a. 21=3*7;

b. 12=3*4;

c. 33=3*11;

d. 60=3*20;

e. 27=3*9;

f. 48=3*16