<em>P = a + b + c = 49 cm</em>
<em>a = b + 7 => b = a - 7</em>
<em>a = c - 5 => c = a + 5</em>
<em>_____________________</em>
<em>a + (a - 7) + (a + 5) = 49</em>
<em>3a = 49 + 7 - 5</em>
<em>3a = 51 </em>
<em>a = 17 cm</em>
<em>b = 17 - 7 = 10 cm</em>
<em>c = 17 + 5 = 22 cm</em>
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<span>The given expression can be classified in many ways. To summarize, there are a few ways to classify it:
It is a polynomial
classification by the number of terms: binomial
classification by degree: first degree polynomial or degree = 1
classification by graph: straight line or a linear function</span>
Denote the average of the six numbers as n. This will be an even number and the six odd numbers are:
<span>n−5,n−3,n−1,n+1,n+3,n+5</span>
Then:
<span>204=<span>(n−5)</span>+<span>(n−3)</span>+<span>(n−1)</span>+<span>(n+1)</span>+<span>(n+3)</span>+<span>(n+5)</span>=6n</span>
Divide both ends by 6 and transpose to find:
<span>n=<span>2046</span>=34</span>
So the six odd numbers are:
<span>29,31,33,35,37,<span>39</span></span>
