По формуле (a-b)^2=a^2-2ab+b^2 (a+b)^2=a^2+2ab+b^2 1. (6a-1/6)^2 2. (-12z-3t)^2 3. (2 1/3a-1 1/14b)^2 4. (-1,2x-4 1/6y)^2

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Алгебра: По формуле (a-b)^2=a^2-2ab+b^2 (a+b)^2=a^2+2ab+b^2 1. (6a-1/6)^2 2. (-12z-3t)^2 3. (2 1/3a-1 1/14b)^2 4. (-1,2x-4 1/6y)^2 5. (0,9x+1 13/27y)^2 с:

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1) 36a^2-12a+1/362)144z^2-72zt+9t^23)81a^2-22/7ab+121/196b^24)14.4x^2-16.4xy+1681/36y^25)0.81x^2+113/15xy+12769/729y^2кхм...

По формуле (a-b)^2=a^2-2ab+b^2 (a+b)^2=a^2+2ab+b^2 1. (6a-1/6)^2 2. (-12z-3t)^2 3. (2 1/3a-1 1/14b)^2 4. (-1,2x-4 1/6y)^2 5. (0,9x+1 13/27y)^2 с:

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