evvoronina1 ((22,2:110 - 2^6 • 3/10^3) • 5^4 • 3^3 - 48 7/9) : 3 2/3 =

1) 22,2 : 110 = 222/1100
2) 2^6 = 64
3) 10^3 = 1000
4) 5^4 = 625
5) 3^3 = 9
6) 48 7/9 = 439/9
7) 3 2/3 = 11/3

=((222/1100-64•3/1000)•625•9 - 439/9) : 11/3=
= ((222/1100 - 192/1000)•625•9 -439/9): 11/3 =

1) 222/1100 - 192/1000 =
= 2220/11000 - 2112/11000 = 108/11000
2) 108/11000 • 625 • 9 = 1080/176 • 9
= 135/11 • 9 = 1215/11

= (1215/11 - 439/9) : 11/3 =
= (10935/99 - 4829/99) : 11/3 =
= 6106/99 : 11/3 = 6106/99 • 3/11 =
= 6106/(33•11) = 6106/363= 16 298/363


7^4 : 49 - 576 : (3 : 1 / 2^3) - 2^5 =
= 49•49/49 - 576 : (3 • 27) -32 =
= 49 - 576 : (9•9) -32 =
= 49 - 64/9 - 32 = 17 - 64/9 =
= 153/9 - 64/9 = 89/9 = 9 8/9