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Martia
@Martia
August 2022
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Замените М таким многочленом, что бы равенство стало тождеством:
1) 2а^2b^5 - 7 = 2m +8a^b^3 - 1
2) (a^2 - ab + b2) + M =2a^2 + 2b^2
3) M + (5x^2 - 2xy) = 6x^2 + 9xy -y^2
4) (3a^2 - ab + b^2) + M = 12a^2 - 7ab
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sedinalana
Verified answer
1) 2а^2b^5 - 7 = 2m +8a^2b^5 - 1
2m=2a²b^5-7-8a²b^5+1
2m=-6a²b^5-6
m=-3a²b^5-3
2) (a^2 - ab + b2) + M =2a^2 + 2b^2
M=2a²+2b²-a²+ab-b²
M=a²+b²+ab
3) M + (5x^2 - 2xy) = 6x^2 + 9xy -y^2
M=6x²+9xy-y²-5x²+3xy
M=x²+12xy-y²
4) (3a^2 - ab + b^2) + M = 12a^2 - 7ab
M=12a²-7ab-3a²+ab-b²
M=9a²-6ab-b²
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Verified answer
1) 2а^2b^5 - 7 = 2m +8a^2b^5 - 12m=2a²b^5-7-8a²b^5+1
2m=-6a²b^5-6
m=-3a²b^5-3
2) (a^2 - ab + b2) + M =2a^2 + 2b^2
M=2a²+2b²-a²+ab-b²
M=a²+b²+ab
3) M + (5x^2 - 2xy) = 6x^2 + 9xy -y^2
M=6x²+9xy-y²-5x²+3xy
M=x²+12xy-y²
4) (3a^2 - ab + b^2) + M = 12a^2 - 7ab
M=12a²-7ab-3a²+ab-b²
M=9a²-6ab-b²