Question

Determina numarul necunoscut,stiind ca:

a)9×(9-b)=81
b)(9-c)×6=48​

Answer 1

Răspuns:

a) 9×(9-b)=81

9-b=81 : 9

9-b=9

b=9-9

b=0

9-0=9

b) (9-c)×6=48

9-c=48 : 6

9-c=8

c=9-8

c=1

9-1=8

Sper ca te am ajutat!

succes la teme!