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samantha-jones_60bbdf17de504
samantha-jones_60bbdf17de504
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samantha-jones_60bbdf17de504
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June 2021
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use frações algebricas (a-b).(a+b)=72 e resolva
in
1)sabendo que a+b=18 e a²-b²=72,calcule o valor de a.?
Comment by
samantha-jones_60bbdf17de504
June 2021
