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Enter the sum of A=11+xb−c+xb−a+11+xc−a+xc−b+11+xa−b+xa−cA=\frac{1}{1+x^{b-c}+x^{b-a}}+\frac{1}{1+x^{c-a}+x^{c-b}}+\frac{1}{1+x^{a-b}+x^{a-c}}A=1+xb−c+xb−a1+1+xc−a+xc−b1+1+xa−b+xa−c1 and B=(xmxn)m2+mn+n2×(xnxl)n2+nl+l2×(xlxm)l2+lm+m2B=\left(\frac{x^{m}}{x^{n}}\right)^{m^{2}+mn+n^{2}}\times\left(\frac{x^{n}}{x^{l}}\right)^{n^{2}+nl+l^{2}}\times\left(\frac{x^{l}}{x^{m}}\right)^{l^{2}+lm+m^{2}}B=(xnxm)m2+mn+n2×(xlxn)n2+nl+l2×(xmxl)l2+lm+m2
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