#586!!!!!!!!!!!!!!!!!!!!!!

Question

#586!!!!!!!!!!!!!!!!!!!!!!

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Comments

1) 4/7;2)3/10;3)3/4;4)2/5;5)1/21

Answer 1

1)2/3*6/7=4/7
2)4/7*21/40=3/10
3)27/32*8/9=3/4
4)5/11*22/25=2/5
5)8/35*5/12=10/21

Comments

в последнем ответ 2/21

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точно