А)7/8-х=13/20 б)14/27*у=35/36

Question

А)7/8-х=13/20 б)14/27*у=35/36

Answer 1

А) x = 7/8-13/20
НОД (8, 20)=40
x = 35/40 - 26/40 = 9/40

б) y = 35/36 : 14/27
    y = 35/36 * 27/14 = 105/ 56