Question

Calculează numarul care lipseste b:8= 9. 6xc=72
Plsss urgent​

Answer 1

Răspuns:

b:8=9

b=9x8

b=72

6xc=72

c=72:6

c=12

Answer 2

Răspuns:

b:8=9=>b=8·9=>b=72

6c=72=>c=72:6=>c=12