Răspuns :
Răspuns:
a) 2•9-3•8+4•7-5•6=18-24+28-30= -6+(-2)=-6-2=-8
b) (6-8)(10-12)= -2•(-2)= 4
c) 35/21 • 15= 5/3 •15= 5•5/1=25/1=25
(35/21=5/3)
Răspuns:
a) 2•9-3•8+4•7-5•6=18-24+28-30= -6+(-2)=-6-2=-8
b) (6-8)(10-12)= -2•(-2)= 4
c) 35/21 • 15= 5/3 •15= 5•5/1=25/1=25
(35/21=5/3)