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Salut. Cine mă poate ajuta? Vă rog, e urgent!

Calculați:
a) 27,03-13,321-(17,481-14,19)
b) 18,37-10,15+1,763-(3,63-2,164)
c) (90,1-20,37) - [(13,721-5,991)-0,75]
d) (5,1-0,01)-[5,6-(0,999+0,001)-(7,8-5,23)]

AJUTOR!!! Dau coroana;)


Răspuns :

Răspuns:

a)27,03-13,321-3,291=10,418

=13,709-3,291

=10,418

b)18,37-10,15+1,763-4,466=5,517

=8,22+1,763-4,466

=9,983-4,466

=5,517

c)69,73-(7,73-0,75)=62,75

=69,73-6,98

=62,75

d)5,11-(5,6-1-2,57)=3,08

=5,11-(4,6-2,57)

=5,11-2,03

=3,08