lanzy1
lanzy1 lanzy1
  • 23-02-2020
  • Mathematics
contestada

1. 6x²y²+8y+4x²y²+3y
2. 16ab²+8a²b-12ab²
3. 9a²b²+6a²b²-7a²b²+8ab
4. 15xyz+4y+3xyz-3y
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choccocake2500
choccocake2500 choccocake2500
  • 23-02-2020
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