Si: A= 10+10+ ... +10 90 B=7+7+...+7 30 C=(-3)+(-3)+...+(-3) 200 Halla A - B + C.
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Explicación paso a paso:
A = (10 + 10 + 10 +... + 10) 90 veces
A = 10(90) = 900
B = (7 + 7 + 7 +... + 7) 30 veces
B = 7(30) = 210
C = [(-3) + (-3) + (-3) +... + (-3)] 200 veces
C = (-3)(200) = - 600
Hallar A - B + C
900 - 210 - 600 = 90