VamLS8887 VamLS8887
  • 25-05-2023
  • Mathematics
contestada

12) 75a²c-45a³d-30bc + 18bd 14) 90au - 36av- 150 yu + 60 yv
16) 105ab-90a-21b+18
18) 150m²nz +20mn²c-120m²nc-25mn²z

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