IDZ 19.2 - Variant 27 - Ryabushko A.P. (sbornik №4)

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You are trying to download a ready-made solutions IDZ 19.2 (Math statistics)
Here are presented all the decisions of this option.
Mathematical solutions in detail painted (+ graphics and explanations are available wherever they are needed).
My contacts: http://www.zaplaty.com/seller/donie393/304999