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cât face [25:(3×3-4)+40]:15+3-5=?

Răspuns :

=[25:(9-4)+40]:15+3-5
=(25:5+40):15+3-5
=(5+40):15+3-5
=45:15+3-5
=3+3-5
=6-5
=1.
CORONITA?
[25:(9-4)+40]:15+3-5= (25:5+40):15+3-5= (5+40):15+3-5= 45:15+3-5= 3+3-5   
=6-5= 1