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Dobremariana483
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Calculati :
a)11+(-13)-(-4)+(-42)=
b)-21-(+15)+(-34)-(-1)=
c)(3-9+11-72)9+(-9+3)=
d)(2-53)-(-41+79)=
e)(13-20-10)-(14+7)=
f)l5-9l-l27-43l+l-11+3l=

Răspuns :

Alina20
A. 11-13+4-42= -2+4-42= 2-42= 40
B. -21-15-34+1= -36-33=-69
C. (-6-61)9-6=-67*9-6=-603-6= -597
D. -51-38= -89
E.(-13-10)-21=-23-21= -44
F. /-4/ -/-16/+ /-8/= 4-16+8= -12+8= -4

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