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suma de monomios
Autor :
carlos david villa jauregui
1.
3x2 mas 4x2=
A.
11x2
B.
43x
C.
-11x
D.
13x
2.
9x2y3 mas 13x2y3=
A.
22x2y2
B.
22x2y3
C.
-22x2y3
D.
12x2y3
3.
(4a2 mas 7a -12) mas (-9a2 -6 mas 2a
A.
-5a2 mas 9a-18
B.
5a2 mas -9a mas 18
C.
a2-a-2