Question

Scrie ca inmultire urmatoarele adunari repetate si calculeaza.
a) 5+5+5
b) 5+5+5+5+5
c) 3+3+3+3+3+3+3​

Answer 1

Răspuns:

a) 5+5+5=5·3=15

b) 5+5+5+5+5=5·5=25

c) 3+3+3+3+3+3+3​=3·7=21

Answer 2

Răspuns:

a) 5×3=15

b)5×5=25

c)3×7=21