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All published worksheets from http://sagenb.org

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Ejercicio 1.2

1. Hallar la suma de:

a)

var ('a,b,c')
(a, b, c)
(8*a+3*b-c) + (5*a-b+c) + (-a-b-c) + (7*a-b+4*c)
19*a + 3*c

b)

var ('x,m,n')
(x, m, n)
(5*a^x-3*a^m-7*a^n) + (-8*a^x+5*a^m-9*a^n) + (-11*a^x+5*a^m+16*a^m)
-14*a^x - 16*a^n + 23*a^m

2. En cada ejercicio sustraer la primera expresion de la segunda

a)

var ('x')
x
(x-10) - (3*x-1)
-2*x - 9

b)

var ('x,y')
(x, y)
(2*x+y-5) - (3*x+y-9)
-x + 4

c)