Respuesta:
1: m+2m
2: a+2a +9a
3: m²- 2m² - 7m²
4: 6x²y² - 12x²y² + x²y²
5: 3a - 2b - 5b + 9a
6: a² +b² - 3a² - a² + b²
7: x²yz + 3xy²v - 3xy²z + xyz² - x²yz
8: 2pq + 3p - 12q - 15q + 7pq - 13p
9: 2x - 6y - 2x - 3y -5y
10: 15a + 13a - 12b - 11a - 4b - b
11: 1 + x + xy - 2 + 2x - 3xy - 3 + 2xy -3x
12: u² + uv + v² - 2u² + 3uv + v²
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Respuesta:
1: m+2m
2: a+2a +9a
3: m²- 2m² - 7m²
4: 6x²y² - 12x²y² + x²y²
5: 3a - 2b - 5b + 9a
6: a² +b² - 3a² - a² + b²
7: x²yz + 3xy²v - 3xy²z + xyz² - x²yz
8: 2pq + 3p - 12q - 15q + 7pq - 13p
9: 2x - 6y - 2x - 3y -5y
10: 15a + 13a - 12b - 11a - 4b - b
11: 1 + x + xy - 2 + 2x - 3xy - 3 + 2xy -3x
12: u² + uv + v² - 2u² + 3uv + v²