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Cat332
@Cat332
July 2022
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233334
4)А
5)
Ответ:(-2;5)
5)А
6)1)4a²-b²=(2a-b)*(2a+b)
2)(b-2a)²=b²-4ba+4a²
3)(b-a)²+2ab=b²-2ab+a²+2ab=b²+a²
4)(b+2a)²-b*(b+4a)=b²+4ba+4a²-b²-4ba=4a²
Ответ:1-Г;2-А;3-Д;4-Б.
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Answers & Comments
5)
Ответ:(-2;5)
5)А
6)1)4a²-b²=(2a-b)*(2a+b)
2)(b-2a)²=b²-4ba+4a²
3)(b-a)²+2ab=b²-2ab+a²+2ab=b²+a²
4)(b+2a)²-b*(b+4a)=b²+4ba+4a²-b²-4ba=4a²
Ответ:1-Г;2-А;3-Д;4-Б.