Mathematics, 30.05.2020 02:01, kaylaelaine18

Efectúa las siguientes sumas y restas de expresiones algebraicas
1. 6a²+8ab-3b+4a2-5+7b=
2. 5xy+2y +4x-1-6x+4xy+2y2-3=
3. 6xy+8x-1y+3x-7y+4xy-5xy+2y-6x=
4. 4+2x²y +6y2+7x+9-6x+4x?y?+2y2-3=
5. 3aw-7xy -10aw+15xy =

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Efectúa las siguientes sumas y restas de expresiones algebraicas
1. 6a²+8ab-3b+4a2-5+7b=
...