а)
x/15 = 5 4/15
x = 5 4/15 * 15
x = 79
б)
34 5/9 - x = 15 5/9
х = 34 5/9 - 15 5/9
х = 19
в)
6 11/18 + х = 12 4/27
х = 12 4/27 -6 11/18
х = 12 8/54 - 6 33/54
х = 5 25/54
Пошаговое объяснение:
а)
x/15 = 5 4/15
x = 5 4/15 * 15
x = 79
б)
34 5/9 - x = 15 5/9
х = 34 5/9 - 15 5/9
х = 19
в)
6 11/18 + х = 12 4/27
х = 12 4/27 -6 11/18
х = 12 8/54 - 6 33/54
х = 5 25/54
Пошаговое объяснение:
а)
x/15 = 5 4/15
x = 5 4/15 * 15
x = 79
б)
34 5/9 - x = 15 5/9
х = 34 5/9 - 15 5/9
х = 19
в)
6 11/18 + х = 12 4/27
х = 12 4/27 -6 11/18
х = 12 8/54 - 6 33/54
х = 5 25/54