Question

EX 16 PAG 77 DIN MANUAL CLASA A 5-A , NU UITATI DAU COROANA​

Answer 1

n - numărul necunoscut

Răspuns:

[(n+5)x5-5]:5=5

[(n+5)x5-5]=5x5

(n+5)x5-5=25

(n+5)X5=25+5

(n+5)X5=30

(n+5)=30:5

n+5=6

n=6-5

n=1

Answer 2

[(x+5x5-5]:5=5

[(x+5x5-5]=5x5

(x+5)x5-5=25

(x+5)X5=25+5

(x+5)X5=30

(x+5)=30:5

x+5=6

x=6-5

x=1

☆Sper că te-am ajutat☆