Question

Va rog coroana +explicatii


Calculeaza:

3+3×[3+3:3×(3+3+3)]:15

812-4×[6×(61-3600:12:30)]:9

[214+240:(16-2×5)]×25-25:5



Va rog explicați.mi si calculați va rog coroana repede!!!

Answer 1

3+3×[3+3:3×(3+3×3)]:15 =
=3+3×[3+1×(3+9)]:15 =
=3+3×(3+1×12):15 =
=3+3×(3+12):15 =
=3+3×15:15 =
=3+45:15 =
=3+3=6

812-4x[6x(61-300:30)]:9=
812-4x[6x(61-10)]:9=
812-4x[6x51]:9=
812-4x306:9=
812-1224:9=
812-136=
676