2 Efectúa las siguientes operaciones con monomios:
1 2x 3 − 5x 3 =
2 3x 4 − 2x 4 + 7x 4 =
3 (2x 3 ) · (5x 3 ) =
4 (2x 3 y 2 ) · (5x 3 y z 2 ) =
5 (12x 3 ) · (4x) =
6 (18x 3 y 2 z 5 ) · (6x 3 y z 2 ) =
7 (2x 3 y 2 ) 3 =
8 (2 x 3 y 2 z 5 ) 5 =
9 3x 3 − 5x 3 − 2x 3 =
10 (12 x 3 y 5 z 4) : (3x 2 y 2 z 3 ) =
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