Просто решить. 1.(5a - 12b)(5a + 12b)=
2.(6a + 5b)²=
3.(8a - b)²=
4.(а + 3)(а² - 3а +9)=
5. (b - 2)(b²+ 2b +4)=
6.(- a² + 9)(a² + 9)=
7.(a⁸ + b ⁸)(a⁴ + b ⁴)(a⁴- b ⁴)=
2.(6a + 5b)²=
3.(8a - b)²=
4.(а + 3)(а² - 3а +9)=
5. (b - 2)(b²+ 2b +4)=
6.(- a² + 9)(a² + 9)=
7.(a⁸ + b ⁸)(a⁴ + b ⁴)(a⁴- b ⁴)=
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