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cât face 1 +30-(-4)+50-3= ?

Răspuns :

1 +30-(-4)+50-3=
=1+30+4+50-3=
=82
[tex]1 +30-(-4)+50-3= \\ =1+30+4+50-3= \\ =31+4+50-3= \\ =35+50-3= \\ =85-3= \\ =82[/tex]