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fiona-shaw_60a0163baa7aa
fiona-shaw_60a0163baa7aa
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fiona-shaw_60a0163baa7aa
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May 2021
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May 2021
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sim Eu te ajudo X+y=39 e X/Y=4/9 Substitua Y=39-x Então X/39-x=4/9 Logo X= 12 e Y= 15
in
Razão, proporção e regra de três.?
Comment by
fiona-shaw_60a0163baa7aa
May 2021
