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Răspuns :

a. 2-(4-6)=2+2=4

b.-1-(5-7)=-1+2=1

c.10-(-8-9)=10+17=27

d.6-(8-(-11))=6-(8+11)=6-19=-13

e.-12-(-14-6)=-12-20=-32

f.-11-(4-(-19))=-11-(4+19)=-11-23=-34

g.12-(-27-(-5))=12-(-27+32)=12-5=7

h.-6-(-3-(-15))=-6-(-3+15)=-6+12=6

i.0-(-5-25)=-30