9.
\((1)\)计算:\(8{{ }}^{{-}\frac{2}{3}}{+}\lg 100{-}({-}\dfrac{7}{8})^{0}{=}\)______.
\((2)\) \(\overrightarrow{{AB}}{+}\overrightarrow{{CF}}{+}\overrightarrow{{BC}}{+}\overrightarrow{{FA}}{=}\) ______ .
\((3)\) 如图,边长为\(1\)的菱形\(OABC\)中,\(AC\)交\(OB\)于点\(D{,}{∠}{AOC}{=}60^{{∘}}{,}M{,}N\)分别为对角线\({AC}{,}{OB}\)上的点,满足\(\overrightarrow{{CM}}{=}\dfrac{1}{3}\overrightarrow{{CD}}{,}\overrightarrow{{DN}}{=}\dfrac{1}{3}\overrightarrow{{DB}}\),则\(\overrightarrow{{OM}}{⋅}\overrightarrow{{MN}}{=}\)______.
\((4)\)在直角梯形\(ABCD\)中,\({AB}{⊥}{AD}{,}{DC}{/\!/}{AB}{,}{AD}{=}{DC}{=}1{,}{AB}{=}2{,}E\)、\(F\)分别为\(AB\)、\(BC\)的中点\({.}\)点\(P\)在以\(A\)为圆心,\(AD\)为半径的圆弧\(\hat{D}E\)上变动\((\)如图所示\()\),若\(\overrightarrow{{AP}}{=}\lambda\overrightarrow{{ED}}{+}\mu\overrightarrow{{AF}}\),其中\(\lambda{,}\mu{∈}R{.}\)则\(2\lambda{-}\mu\)的取值范围是______ .