Формулы сокращенного умножения
1. (y – 9)²
2. 1+y²-2y
3. (10x-7y)(10x+7y)
4. y²-0,09
5. y³-1
6. (40+b)²
7. 64-16b+b²
8. (7x-2)(2+7x)
9. (-12-c)²
10. 27x³+125y³
1. (y – 9)²
2. 1+y²-2y
3. (10x-7y)(10x+7y)
4. y²-0,09
5. y³-1
6. (40+b)²
7. 64-16b+b²
8. (7x-2)(2+7x)
9. (-12-c)²
10. 27x³+125y³
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Answers & Comments
3. (10x)²-(7y)²
4. (y-0.3)(y+0.3)
5. (y-1)(y²-y+1)
6. 40²+80b+b²