Question

Fie a=12 si b+c=13.Calculati:
a)9•(b+c)+13•a
b)5•a+10•b+10•c
Urgent,va rog
Dau coronita​

Answer 1

Răspuns:

Explicație pas cu pas:

a)9•(b+c)+13•a =

9•13+13•12 =

13•(9+12) =

13•21 = 273

b)5•a+10•b+10•c =

5•12+10•(b+c) =

60+10•13=

6•10+10•13=

10•(6+13)=

10•18=180