Выполните умножение 2/3*9/14, 4/5*15/16, 3/7*8/21, 12/23*1, 17/39*0, 2/5: 4/5, 3/7: 9/14, 5/8: 1/4, 3/17: 2/51, 2/11: 4/77, 3/4*2, 12/13: 7/13, 33/34: 1/34, 3/1*5 1/3, 64/76: 16/19, 12/25*5/16, 12/19*1/24, 8/13*13/8, 23/72*72/23, 3/8: 5/7, 5/16: 6/8, 0: 23/45, 3 1/4*4 10*5 2/5, 0: 2 1/7, 3 5/16*1, 2 17/18: 1, 4 1/2: 6 3/4, 1 51/93: 1 5/31, 2 1/2*3 1/15, 4/9*3 3/4, 1 6/7*3 3/4, 1 6/7* 3 5/10, 8: 4/7

2/3*9/14 = 3/7,
4/5*15/16 = 3/4,
3/7*8/21 = 8/49,
12/23*1 = 12/23,
17/39*0 = 0,
2/5:4/5 = 1/2,
3/7:9/14 = 2/3,
5/8:1/4 = 5/2,
3/17:2/51 = 9/2,
2/11:4/77 = 7/2,
3/4*2 = 3/2,
12/13:7/13 = 12/7,
33/34:1/34 = 33,
3/1*5 1/3 = 16,
64/76:16/19 = 1,
12/25*5/16 = 3/20,
12/19*1/24 = 1/38,
8/13*13/8 = 1,
23/72*72/23 = 1,
3/8:5/7 = 21/40,
5/16:6/8 = 5/12,
0:23/45 = 0,
3 1/4*4 = 13,
10*5 2/5 = 54,
0: 2 1/7 = 0,
3 5/16*1 = 3 5/16,
2 17/18:1 = 2 17/18,
4 1/2:6 3/4 = 2/3,
1 51/93:1 5/31 = 4/3,
2 1/2*3 1/15 = 23/3,
4/9*3 3/4 = 5/3,
1 6/7*3 3/4 = 195/28,
1 6/7* 3 5/10 = 13/2,
8:4/7 = 14