8 пж пж-%₴&:@%-*%;4-*#-"#4+*₴5'3<br />

Question

8 пж пж-%₴&:@%-*%;4-*#-"#4+*₴5'3

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Answer 1

А.
6 1/7:(1 3/7+2 2/3)=43/7:(1 9/21+2 14/21)=43/7 : 4 2/21=43/7*21/86=6/2=3

б.
1 10/11:7/22-5/22=21/11*22/7-5/22=6-5/22=5 17/22