5.
计算:
\((1)x⋅x^{2}⋅x^{-2}(x\neq 0)\)
\((2)-t^{3}⋅(-t)^{4}⋅(-t)^{5}\);
\((3)-1^{2017}-(-2)^{-2}-( \dfrac {1}{3})^{-3}÷(3.14-π)^{0}\)
\((4)(-2x^{2})^{3}+x^{2}⋅x^{4}-(-3x^{3})^{2}\)
\((5)(a-b)^{10}÷(b-a)^{3}÷(b-a)^{2}\)
\((6)(1 \dfrac {2}{3})^{2006}×(-0.6)^{2007}\).