Question

Aduceti expresii la o forma mai simpla:
c)a+a+a+a+a+a+a+a+a;
a×a×a×a×a×a×a×a×a;

e)a+a+a+b+b+b;
a×a×a×b×b×b;

f)n+m+m+n+n+m;
n×m×m×n×n×m;​

Answer 1

Răspuns:

c)a×9

e)a×3+b×3

f)n×3+m×3

Answer 2

Explicație pas cu pas:

c) 9×a = 9a = a × 3^2

a^9 = (a^3)^3

e) 3×a + 3×b = 3a + 3b = 3( a+b )

a^3 × b^3

f) 3×n + 3×m = 3n + 3m = 3( n+m )

n^3 × m^3