1) 6/25 : 3/5 = 6*5/25*3 = 2*1/5*1 = 2/5 или 0.4
2) 8/15:20/21 = 8*21/15*20=2*7/5*5=14/25 или 0.56
3) 14/15:28/33=14*33/15*28=2*11/5*2=22/10 или 2.1
4) 39/34:13/43=39*43/43*13=3*1/1*1=3/1 = 3
5) 27/32:9/16 = 27*16/32*9=3*1/2*1=3/2 или 2.5
6) 21/22:7/18=21*18/22*7=3*9/11*1=27/11 или 2.45
7) 2/7:16/35=2*35/7*16=1*5/1*8=5/8 или 0.625
8) 44/45:11/18=44*18/45*11=4*6/15*1=24/15 или 1.6
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Answers & Comments
1) 6/25 : 3/5 = 6*5/25*3 = 2*1/5*1 = 2/5 или 0.4
2) 8/15:20/21 = 8*21/15*20=2*7/5*5=14/25 или 0.56
3) 14/15:28/33=14*33/15*28=2*11/5*2=22/10 или 2.1
4) 39/34:13/43=39*43/43*13=3*1/1*1=3/1 = 3
5) 27/32:9/16 = 27*16/32*9=3*1/2*1=3/2 или 2.5
6) 21/22:7/18=21*18/22*7=3*9/11*1=27/11 или 2.45
7) 2/7:16/35=2*35/7*16=1*5/1*8=5/8 или 0.625
8) 44/45:11/18=44*18/45*11=4*6/15*1=24/15 или 1.6