(1-7\15+0,4)/(8,3+4\19-15\38)1) (1-7\15+0,4)=1-0,46667+0,4=0,933332) (8,3+4\19-15\38)=8,3+0,21053-0,39474=8,115793) 0,93333/8,11579=0,115
(1-7\15+0,4)/(8,3+4\19-15\38)
1) (1-7\15+0,4)=1-0,46667+0,4=0,93333
2) (8,3+4\19-15\38)=8,3+0,21053-0,39474=8,11579
3) 0,93333/8,11579=0,115