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VAROG URGENTTTTTTTTTTTTT!!!!!!!!!!!DAU COROANA~!!!!!!!!!!!!!!!

VAROG URGENTTTTTTTTTTTTTDAU COROANA class=

Răspuns :

a) rezolvarea:
x·(a+b)-50=
=5·13-50=
=65-50=
=15

b) nu îmi dă bine

c) rezolvarea:
a=12:3
a=4
b=144:4
b=36
B>A

d) 2^3=8
x•a+x•b-50=x•(a+b)-50
5•13-50=65-50=15

x se da factor comun