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tolgonaykaldyb
@tolgonaykaldyb
July 2022
2
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ПОЖАЛУЙСТА!!СРОЧНО!!
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zinaidazina
Используем фoрмулы
(a-b)² = a² - 2ab + b²
(a+b)² = a² + 2ab + b²
1) (a-5)² = a² - 10a + 25
2) (a+0,5)² = a² + a + 0,25
3) (1-b)² = 1 - 2b + b²
4) (0,7m+n)² = 0,49m² + 1,4mn + n²
5) (6x-10y)² = 36x² - 120xy + 100y²
6) (2х⁴+3у³)² = 4х⁸ + 12х⁴у³ + 9у⁶
2 votes
Thanks 1
miraitan
1) a - 5 = a ^2 - 10a + 25
2) a + 0.5 = a^2 + a + 0.25
3)1 - b= 1 - 2b+ b^2
4)0.7m + n = 0.49m^2+ 1.4mn + n^2
5)6x - 10y= 36x^2- 120xy + 100y^2
6)2x^4 + 3y^3= 4x^8 + 12x^4y^3+ 9y^9
1 votes
Thanks 0
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Answers & Comments
(a-b)² = a² - 2ab + b²
(a+b)² = a² + 2ab + b²
1) (a-5)² = a² - 10a + 25
2) (a+0,5)² = a² + a + 0,25
3) (1-b)² = 1 - 2b + b²
4) (0,7m+n)² = 0,49m² + 1,4mn + n²
5) (6x-10y)² = 36x² - 120xy + 100y²
6) (2х⁴+3у³)² = 4х⁸ + 12х⁴у³ + 9у⁶
2) a + 0.5 = a^2 + a + 0.25
3)1 - b= 1 - 2b+ b^2
4)0.7m + n = 0.49m^2+ 1.4mn + n^2
5)6x - 10y= 36x^2- 120xy + 100y^2
6)2x^4 + 3y^3= 4x^8 + 12x^4y^3+ 9y^9