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8 3/4-x=3 5/16
x-4 3/7=3 5/6
(x-9 3/7)+5 8/21=6 5/14
ОЧЕНЬ СТРОЧНО
8 3/4-x=3 5/16
x-4 3/7=3 5/6
(x-9 3/7)+5 8/21=6 5/14
ОЧЕНЬ СТРОЧНО
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Answers & Comments
8 3/4-3 5/16=х
х=8 12/16-3 5/16
х=5 7/16
х-4 3/7=3 5/6
х=3 5/6+4 3/7
х=3 35/42+4 18/42
х=7 53/42
х=8 11/42
(х-9 3/7)+5 8/21=6 5/14
х-9 3/7+5 8/21=6 5/14
х=6 5/14+9 3/7-5 8/21
х=6 15/42+9 18/42-5 16/42
х=10 17/42