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Calculeaza 25×(81:9×10-2+8)-110

Răspuns :

25×(81:9×10-2+8)-110=
25×(9×10-2+8)-110=
25×(90-2+8)-110=
25×(88+8)-110=
25×96-110=
2400-110=2290
:)
=25(9×10-2+8)-110
=25(90-2+8)-110
=25×96-110
=2400-110
=2290