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anastasimedvedeva23
@anastasimedvedeva23
August 2022
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а) (2аb-1)(2ab+1)
б) (3/5 xy*2+2/3 x*2y)
в) (0,5-2mn)*2
г) (p-1/3)*3
д) (2bc+1)*3
e) (3x+1)(9x*2-3x+1)
ж)(1/2а-2)(1/4а*2+а+4)
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Answers & Comments
david88815
A)(2ab)²-1²
4a²b²-1
б)6/5xy+4/3xy
38/15xy
в)0,5×2-2mn×2
1-4mn
г)p-1 (сократи тройки)
д)2bc×3+3
6bc+3
е)(3x+1)(18x-3x+1)
(3x+1)(15x+1)
45x²+3x+15x+1
45x²+18x+1
ж)(1/2a-2)(1/2a+a+4)
(1/2a-2)(3/2a+4)
3/4a²+2a-3a-8
3/4a²-a-8
1 votes
Thanks 3
david88815
спасибо за лучший ответ)
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Answers & Comments
4a²b²-1
б)6/5xy+4/3xy
38/15xy
в)0,5×2-2mn×2
1-4mn
г)p-1 (сократи тройки)
д)2bc×3+3
6bc+3
е)(3x+1)(18x-3x+1)
(3x+1)(15x+1)
45x²+3x+15x+1
45x²+18x+1
ж)(1/2a-2)(1/2a+a+4)
(1/2a-2)(3/2a+4)
3/4a²+2a-3a-8
3/4a²-a-8