Question

Indica en cada caso si las siguientes igualdades numéricas son válidas o son contradicciones.
a)
${2}^{3} + {9}^{2} = {4}^{3} + {5}^{2}$
b)
$2.(3 + 4) = 2.3 + 4$
c)
$5.( - 3) - 9 = 2.( - 3)$
d)
$(5 - 3).(5 + 3) = {5}^{2} - {3}^{2}$
e)
$(5 + {3})^{2} = {5}^{2} + {3}^{2}$
f)
$2.(3 + 4) - 5 = ( - {2})^{3} + 1$
g)
${3}^{2} + {4}^{2} = {5}^{2}$
h)
${3}^{3} + {4}^{3} + {5}^{3} = {6}^{3}$
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Answer 1

Respuesta:

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Explicación paso a paso: