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l) 2-[-17+(2-8)-3]+(-17-39)=
m) -36+{-2+[6+(-18-16)]}=
n) -14+{-6-3+[-6+(-5)]}=
o) -13+{-17-[-31+19-(-3)]}=
DAU COROANA+12 PUNCTE!!


Răspuns :

l)2-(-17-6-3)+(-56)=
2-(-26)-56=
2+26-56=
28-56=-28
m)-36+[-2+(6-34)]=
-36+(-2-28)=
-36-30=-66
n)-14+[-6-3+(-6-5)]=
-14+(-6-3-11)=
-14-20=-34
o)-13+[-17-(-31+19+3)]=
-13+(-17+9)=
-13-8=-21