Question

Verificati daca urmatoarele egalitati sunt adevarate:
a) aa=11a
b) abab=101 x ab
c) a00a=1001 x a

aa,abab,a00a, ab au o liniuta de asupra,adica sunt in sistem zecimal

Answer 1

a) aa = 10*a+a=11*a (A)
b)abab=1000*a+100*b+10*a+b=1010*a+101*b=101*(10*a+b)=101*ab (A)
c)a00a=1000*a+a=1001*a (A)