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Aratati ca a=b in fiecare dintre cazurile:
a=2,75+3,15-2,9  si b=3,45-2,8+2,35


Răspuns :

a=2,75+3,15-2,9=5,90-2,9=3,00=3

b=3,45-2,8+2,35=0,65+2,35=3,00=3
e cel mai bun raspuns?
[tex]a=2,75+3,15-2,9 \\ a=5,9-2,9 \\ a=3 \\ \\ \\ b=3,45-2,8+2,35 \\ b=0,65+2,35 \\ b=3 \\ \\ 3=3 \\ a=b[/tex]