Respuesta:
R=9 9/28
1 1/7-4/7=4/7
3 1/4+5 2/4=8 3/4
8 3/4+4/7= 9 9/28.
Explicación paso a paso:
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Verified answer
Respuesta:
R=9 9/28
1 1/7-4/7=4/7
3 1/4+5 2/4=8 3/4
8 3/4+4/7= 9 9/28.
Explicación paso a paso: