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7000-[(5220÷36×28-2356÷19)+2986]+3995÷17=?

Răspuns :

= 7000-[(145x28-124)+2986]+235=
7000-[4060-124+2986]+235=
7000-[3936+2986]+235=
7000-6922+235=
78+235=313
7000-[(5220÷36×28-2356÷19)+2986]+3995÷17=
=7000-[(145×28-124)+2986]+235=
=7000-[(4060-124)+2986]+235=
=7000-(3936+2986)+235=
=7000-6922+235=
=78+235=
=313

Sper ca te-am ajutat. Succes! :)