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calculati 5+5:2+5+2-34

Răspuns :

5+5:2+5+2-34=
1)5:2=2.5
2)5+2.5=7.5
3)7.5+5=12.5
4)12.5+2=14.5
5)14.5-34=-19.5
5+5:2+5+2-34=
=5+2.5+5+2-34
=14.5-34
= - 19.5