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Desfaceti parantezele si efectuati:
-3.8-(-8.1+3.9)=?
7.5+(-8.4-2.1)=?
-8.76-(-3.25-10.76)=?
-6.19+(1.5+5.19)=?
repede urgent!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


Răspuns :

a) -3,8+8,1-3,9= 0,4
b) 7,5-8,4-2,1= -3
c) -8,76+3,25+10,76= 5,25
d) -6,19+1,5+5,19= 0,5