Question

Transformați expresiile folosind proprietățile operațiilor aritmetice a) 3m+m=
C) 8n-n=
E)2b+5b+9b=
D) 12x-3x-x=
F) 4z+z-2z=
G)15a-3a+a=
Ajutatima va rog e urgent

Answer 1

a)3m+m=m(3+1)=4m
c)8n-n=n(8-1)=7n
e)2b+5b+9b=b(2+5+9)=16n
d)12x-3x-x=x(12-3-1)=8x
f)4z+z-2z=z(4+1-2)=3z
g)15a-3a+a=a(15-3+1)=13a