Explicación paso a paso:
a)9/2+17/5=45+34/10=79/10
b) 9/2-3/2=7/2 kg de poroto le quedan
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Explicación paso a paso:
a)9/2+17/5=45+34/10=79/10
b) 9/2-3/2=7/2 kg de poroto le quedan