3sinx+6cosx/3sinx+cosx, если ctg(x/2)=2

Andrew228krut Andrew228krut    3   06.06.2019 17:27    9

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swetik101 swetik101  06.06.2019 18:50
Dear joe  hello dear friend, how you spend time on the weekends? we usually gather with friends and walk around the city, and will sometimes go with my parents and on nature. my best weekend when she went to a friend in another city! with love dasha
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