Question

Quantos e quais são os subconjuntos de : A= {10}? B= {10,20}? C= {10,20,30}? D= {10,20,30,40}?

Answer 1

 A= {10}

São 2:    {  } e {10}

B= {10,20}
-------------------------------------------
São 4:

{  }   {10}, {20}, {10,20}

-------------------------------------------
C= {10,20,30}

São 8:  {  }, {10}, {20}, {30}, {10,20}, {10,30}, {20,30}, {10,20,30}

D= {10,20,30,40}

São 16:  {  }, {10}, {20}, {30}, {40}, {10,20}, {10,30}, {10,40}, {20,30}, {20,40}, {30,40} {10,20,30}, {10, 20,40}, {10, 30,40}, {20,30,40}, {10,20,30,40}