1 7/24-11/12=3/8
3/8*5 1/3=2
(3850+1892):х=638
5742:х=638
х=5742:638
х=9
786•х=73201+22909
786•х=96110
х=96110:786
х=122
(6000-1744):х=8
4256:х=8
х=4256:8
х=532
5088:х=256626:807
5088:х=318
х=5088:318
х=16
0,61=61% 0,072=7,2% 0,04=4% 1,1907=119,07%
B₅ = b₁ * q⁵⁻¹
b₅ = 8 * (1/3)⁴ = 8 * (1/81) = 8/81