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Algebra
Pregunta

3. The sum of both digits, of either of two two-di...

3. The sum of both digits, of either of two two-digit numbers, in whatever order the digits are written, is 9. The square of either of the digits of either number, minus the product of both digits, plus the square of the other digit is the number \( 21 \) . The numbers are 

Answer

5,4

Solución
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