$$(x^{a+b})^{a-b}; (x^{b+c})^{b-c}>; (x^{c+a})^{c-a}$$
$x\left(x^{a+b}\right)^{a-b},\ x\left(x^{b+c}\right)^{b-c},\ \left(x^{a+c}\right)^{c-a}$
