Question

[[(27 supra 25 -1 supra 2•21 supra 25)]-1]•3013-10 la a 3 va rog mult vreau rez completa va roggggg

Answer 1

{[(27/25 -1/2•21/25)]-1}•3013-10³=
={[(27/25 -21/50)]-1}•3013-10³=
=[(54-21)/50)-1]•3013-10³=
=[(33/50)-1]•3013-10³=
=(33-50)/50•3013-10³=
=-17/50•3013-10³=
=-17/50•3013-10³=
=(-51221-50000)/50=
=101221/50=2024,42