November 2018 1 37 Report
Tarea de secundaria de mi hijo lo necesito para mañana

1)dados d = 3, m = -4, n = -1 y s = 5, calcular:

a)d . m =
b)d . n =
c)s . n =
d)d. m. n. s =
e) (d + m) . d =
f) (s - n) . m =
g)s . (m - n + s) =
h)m . n + s . d =
i) (5 + 2n) . 3m =

2) encuentren si es posible el valor de la letra que verifica la igualdad

a)a . (-7) = 84
b)5 . (-2) . p = 70
c)m . 1 = 1
d)t . (-4) = 0
e)2 . m . 12 = m (-6) . (-4)
f)x . 0 = -4
g)a . (4) = -16
h)b . 1 = b
i)b . (-1) = b
j)q . 3 = -3
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