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Auxiliary
  a
Determiner
  expresión
Noun
  matemática
Adjective
  da
 conservación  de
Adposition
  masa
Noun
  e
Coordinating conjunction
  de
Adposition
  cantidade
Noun
  de
Adposition
  movemento
Noun
.

They are the mathematical expression of the conservation of mass and amount of motion.
Words and sentences
New
a

New
expresión

expression

New
da

of the; from the

New
e

New
cantidade

quantity

New
de

  1. of, from
  2. of; -'s (belonging to)

New
matemática

New
masa

  1. dough
  2. mortar
  3. mass

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