16. \-это значит дорбная черта !- это значит целое чесло...

November 2021 1 6 Report

1)5! 7/15-(7! 1/12-(4! 29/60-(2! 1/5-1! 5/6));2) 6! 13/24-((14! 7/24-10! 31\48 -(2! 3\4-1! 7/12))-1! 1/16.
\-это значит дорбная черта
!- это значит целое чесло

Answers & Comments

anna019010 1) 5 7/15 - (7 1/12 - (4 29/60 - (2 1/5 - 1 5/6))) = 82/15 - (85/12 - (269/60 - (11/5 - 11/6))) = 82/15 - (85/12 - (269/60 - (66/30 - 55/30))) = 82/15 - (85/12 - (269/60 - 11/30)) = 82/15 - (85/12 - (269/60 - 22/60)) = 82/15 - (85/12 - 302/60) = 82/15 - (425/60 - 302/60) = 82/15 - 123/60 = 328/60 - 123/60 = 205/60 = 3 25/60 = 3 5/12
2) 6 13/24 - (14 7/24 - 10 31/48 - (2 3/4 - 1 7/12)) - 1 1/16 = 157/24 - (343/24 - 511/48 - (11/4 - 19/12)) - 17/16 = 157/24 - (343/24 - 511/48 - (33/12 - 19/12)) - 17/16 = 157/24 - (343/24 - 511/48 - 14/12) = 157/24 - (686/48 - 511/48 - 56/48) = 157/24 - 119/48 = 314/48 - 119/48 = 195/48 = 4 3/48 = 4 1/16

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