3.82*2.15-5.75:(1.68+2.92)-4.463=
3.82*2,15-5,75:(1,68+2,92)-4,463= 2,5
1)1,68+2,92=4,6
2)5.75:4,6=1,25
3)3.82*2,15=8,213
4)8,213-1,25=6,963
5)6,963-4,463=2,5