jasadez123
jasadez123
23-08-2016
Mathematics
contestada
i need help i dont understand
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liltarzan99
liltarzan99
23-08-2016
I do not understand this at all. I'm not the best at math either.
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Аноним
Аноним
23-08-2016
r is -4/7 and s is s/7 =-4/7 + s/7
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