Формулы сокращенного умножения
1.(p-q)²
2.25a²+10a+1
3.(4+y²)(y²-4)
4.(-a-2)²
5.m³-n³
6. (9-y)²
7.b²+4a²-4ab
8.(9a-b²)(b²+9a)
9.8-a³
10.(b+3)²
1.(p-q)²
2.25a²+10a+1
3.(4+y²)(y²-4)
4.(-a-2)²
5.m³-n³
6. (9-y)²
7.b²+4a²-4ab
8.(9a-b²)(b²+9a)
9.8-a³
10.(b+3)²
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Answers & Comments
2)(4+y^2)(y-2)(y+2)
3)(5a+1)^2
4)-a^2-4a+4
5)(m-n) (m^2+mn+n^2)
6)81-18y+y^2
7)(b-2a) ^2
10)(b^3+27b^2+27b^2+27