Ответ:
2 2/5*1 9/16=12/5*25/16=15/4=3 3/4
1 7/8*1 1/15*1 7/16=15/8*16/15*23/16=23/8=2 7/8
4*4/21=16/21
6*7/18=7/3=2 1/3
5/14*28=10
5 3/5*3/7=28/5*3/7=12/5=2 2/5
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Ответ:
2 2/5*1 9/16=12/5*25/16=15/4=3 3/4
1 7/8*1 1/15*1 7/16=15/8*16/15*23/16=23/8=2 7/8
4*4/21=16/21
6*7/18=7/3=2 1/3
5/14*28=10
5 3/5*3/7=28/5*3/7=12/5=2 2/5