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2/3 x 3/2 = 6/6
simplificamos: 6/6 =3/3
respuesta:3/3
2)
3/4 x 4/5 x 5/6 = 60/120
simplificamos:60/120 =30/60 =15/30 = 5/10=1/2
respuesta:1/2
3)
4/5 x 10/9 = 40/45
simplificamos:40/45=8/9.
respuesta:8/9
4)
6/7 x 7/8 x 8/9 = 336/504
simplificamos : 336/504=28/42=4/6=2/3
respuesta:2/3
5)7/8 x 16/21= 112/168
simplificamos : 112/168=28/42=4/6=2/3
respuesta:2/3
6)7/19 x 19/13 x 26/21=3458/5187
7)
52/24 x 4/13=208/312 = 26/39
8)
23/34 x 17/28 x 7/69 = 2737/65688
9)
18/15 x 90/36 = 1620/540
simplificamos : 1620/540 = 810/ 270 =405/135
respuesta:405/135
10)90/15 x 41/108 x 34/82=12560/132840=6273/6642