Respuesta:es sencillo
Explicación paso a paso:
3/7 + x = (3/5)(13/21)(2/3)(5/14)7
Simplificando
3/7 + x =13/21
9/21 + x= 13/21
x =4/21
Respuesta:
Le falta 1/21
4/7 = 4x3 / 7x3 = 12/21
13/21 - 12/21 = 1/21
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Respuesta:es sencillo
Explicación paso a paso:
3/7 + x = (3/5)(13/21)(2/3)(5/14)7
Simplificando
3/7 + x =13/21
9/21 + x= 13/21
x =4/21
Respuesta:
Le falta 1/21
Explicación paso a paso:
4/7 = 4x3 / 7x3 = 12/21
13/21 - 12/21 = 1/21