Respuesta:
105
Explicación paso a paso:
aplicamos formula
[tex]\frac{n(n+1)}{2} . m \\\\\frac{6(6+1)}{2} x 5 \\\\6+1 =7 \\7x 6 = 42 \\42 : 2 = 21\\21 x 5 = 105\\\\x=105[/tex]
listo , saludos
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Respuesta:
105
Explicación paso a paso:
aplicamos formula
[tex]\frac{n(n+1)}{2} . m \\\\\frac{6(6+1)}{2} x 5 \\\\6+1 =7 \\7x 6 = 42 \\42 : 2 = 21\\21 x 5 = 105\\\\x=105[/tex]
listo , saludos