Question

va rog sami rezolvați urgent 47502:[17+23×3-(34:2+123:3)+10×5+9]-123=

Answer 1

47502:(17+69-58+50+9)-123=
=47502:87-123=546-123=
=423

Answer 2

$\displaystyle \it 47502:[17+23 \times 3-(34:2+123:3)+10 \times 5+9]-123= \\ =47502:[17+23 \times 3-(17+41)+10 \times 5+9]-123= \\ =47502:(17+23 \times 3-58+10 \times 5+9)-123= \\ =47502:(17+69-58+50+9)-123= \\ =47502:(86-58+50+9)-123= \\ =47502:(28+50+9)-123= \\ =47502:(78+9)-123= \\ =47502:87-123= \\ =546-123= \\ =423$