Si: A = 1 + 2 + 3 + 4 + ..... + 20
B = 2 + 4 + 6 + 8 + ..... + 20
Hallar: B - A
a.200
b.50
c.120
d.100
B = 2 + 4 + 6 + 8 + ..... + 20
Hallar: B - A
a.200
b.50
c.120
d.100
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Respuesta:
es la d ya lo ise sale 100 esa es la respuesta la D