Пошаговое объяснение:
А)
x : 6 = 1 : 2
2*x = 6*1
2x = 6
x = 6:2
x = 3
Б)
4 : 2/2/7 = 5/8 * x
4*x = 2 2/7 * 5/8
4x = 16/7 * 5/8
4x = 10/7
x = 10/7 * 1/4
x = 5/14
В)
x : 4/9 = 2/5/8 : 7
7*x = 2 5/8 * 4/9
7x = 21/8 * 4/9
7x = 7/6
x = 7/6 * 1/7
x = 1/6
А.
х = 6*1 / 2
х = 6/2
х = 3
Б
х = 2 2/7*5/8 / 4
х = 16/7*5/8 / 4
х = 2/7*5/1 /4
х = 10/7 : 4
х = 10/7 * 1/4
х = 10/28
х = 5/14
В
х = 4/9*2 5/8 / 7
х = 4/9*21/8 / 7
х = 1/3*7/2 / 7
х = 7/6 : 7
х = 7/6 * 1/7
х = 1/6
Пошаговое объяснение:
А)
x : 6 = 1 : 2
2*x = 6*1
2x = 6
x = 6:2
x = 3
Б)
4 : 2/2/7 = 5/8 * x
4*x = 2 2/7 * 5/8
4x = 16/7 * 5/8
4x = 10/7
x = 10/7 * 1/4
x = 5/14
В)
x : 4/9 = 2/5/8 : 7
7*x = 2 5/8 * 4/9
7x = 21/8 * 4/9
7x = 7/6
x = 7/6 * 1/7
x = 1/6
Пошаговое объяснение:
А.
х = 6*1 / 2
х = 6/2
х = 3
Б
х = 2 2/7*5/8 / 4
х = 16/7*5/8 / 4
х = 2/7*5/1 /4
х = 10/7 : 4
х = 10/7 * 1/4
х = 10/28
х = 5/14
В
х = 4/9*2 5/8 / 7
х = 4/9*21/8 / 7
х = 1/3*7/2 / 7
х = 7/6 : 7
х = 7/6 * 1/7
х = 1/6