ответ:2.56y+3.64×4.8=29.76
2.56y+17.472=29.76.
2.56y+17.472-29.76=0.
2.56y-12.288=0.
2.56y=12.288.
Y=12.288/2.56.
Y=4.8
ответ:2.56y+3.64×4.8=29.76
2.56y+17.472=29.76.
2.56y+17.472-29.76=0.
2.56y-12.288=0.
2.56y=12.288.
Y=12.288/2.56.
Y=4.8