( Х - 5/18 ) : 16/27 = 1 17/64
Х - 5/18 = 16/27 • 1 17/64
16/27 • 1 17/64 = 16/27 • 81/64 = 3/4
Х - 5/18 = 3/4
Х = 5/18 + 3/4
5/18 + 3/4 = 10/36 + 27/36 = 37/36 = 1 1/36
Х = 1 1/36
18 - 4 = 14
14 ÷ 2 = 7 - гусей
4 + 7 = 11 - кур
2/6 = 3/9 = 4/12 = 5/15 = 6/18
17/26х-3/4=5 1/13÷22
17/26х-3/4=66/13×1/22
17/26х-3/4=3/13
17/26х=3/13+3/4
17/26х=12/52+39/52
17/26х=51/52
х=51/52÷17/26
х=51/52×26/17
х=3/2=1 1/2
40*70=2.800
512.304-2.800=509.504
46.050+509.504=555.554