Um numero de 3 algarismo tem as seguintes propriedades Quando trocamos o algarismo das unidades com o das dezenas, ele aumenta 18 unidades
Quando trocamos o algarismos das dezenas com o das centenas, ele aumenta em 180 unidades.
Em quantas unidades aumentará esse número se trocarmos o algarismo das unidades com as centenas?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

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Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle. he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field