Ответы
Пошаговое объяснение:
3.34:
8/x=35/7
8/x : 35/7 = 1
8*7/35x = 1
8/5x = 1
8/5 = x
x = 1,6
32/12 = y/9
32 * 9/12y = 1
8 * 9/3y = 1
8 * 3/y = 1
24 = y
y = 24
54/x = 9/12
54/x = 3/4
54 * 4/3x = 1
18 * 4/x = 1
72 = x
4,2/12 = 35/x
2,1/6 = 35/x
2,1x/6 * 35 = 1
2,1x/3 * 2 * 7 * 5 = 1
0,7x/2 * 7 * 5 = 1
0,1x/10 = 1
0,1x = 10
x = 10 : 1/10
x = 10 * 10 = 100
3.35:
x/55 = 4/11 : 1,6
11x/55 * 4 = 1/1,6
x/5 * 4 = 1/1,6
1,6x/5 * 4 = 1
0,4x/5 = 1
0,4x = 5
x = 12,5
(1 + 5/6) : y = 55:12
11/6 * 12 = 55y
2 * 11 = 55y
2 * 11/55 = y
2/5 = y
y = 0,4
8 : 54 = 4/9 : x
8/54 = 4/9x
8 * 9x/54 * 4 = 1
2x/6 = 1
2x = 6
x = 3
# ---------------------------------------------
Решить не смог ни я, ни калькулятор. Если интересно, то калькулятор выдаёт 144/145, извини.
y : (2 + 5/12) = 18 : 87
y/29 = 18/87
87y/29 * 18 = 1
# ---------------------------------------------
12/y = (2 + 2/9) : (3 + 1/3)
12/y = 20/9 : 10/3
12/y = 20 * 3/9 * 10
12/y = 2/3
12 * 3/2y = 1
6 * 3/y = 1
18 = y
y = 18
1,3 : 10 = x : (3 + 11/13)
1,3/10 = 13x/50
1,3 * 50/10 * 13x = 1
0,1 * 5/x = 1
0,5 = x
x = 0,5