1.
\((1)\) 已知\(p\):\({|}x{-}a{| < }4{,}q\):\({-}x^{2}{+}5x{-}6{ > }0\),且\(q\)是\(p\)的充分而不必要条件,则\(a\)的取值范围为______ .
\((2)\) 若命题\(p\):“\({∃}x_{0}{∈}R{,}2^{x_{0}}{-}2{\leqslant }a^{2}{-}3a\)”是假命题,则实数\(a\)的取值范围是______ .
\((3)\) 命题“\({∀}x{∈}R{,}ax^{2}{-}2{ax}{+}5{ > }0\)恒成立”是假命题,则实数\(a\)的取值范围是______ .
\((4)\) 下列命题中,正确的命题序号为______ .
\({①}\)方程组\(\begin{cases} 2x{+}y{=}0 \\ x{-}y{=}3 \end{cases}\)的解集为\(\{ 1{,}2\}\),\({②}\)集合\(C{=}\{\dfrac{6}{3{-}x}{∈}z{|}x{∈}N^{{*}}\}{=}\{{-}6{,}{-}3{,}{-}2{,}{-}1{,}3{,}6\}{③}f(x){=}\sqrt{x{-}3}{+}\sqrt{2{-}x}\)是函数\({④}f(x){=}ax^{2}{+}{bx}{+}3a{+}b\)是偶函数,定义域为\({[}a{-}1{,}2a{]}\)则\(f(0){=}1{⑤}\)集合\(A{=}\{ 1{,}2{,}3{,}4\}{,}B{=}\{ 3{,}4{,}5{,}6\}\)满足\(S{⊆}A\)且\(S∩B\neq \varnothing \)的集合\(S\)的个数为\(12\)个
\({⑥}\)函数\(y{=}\dfrac{2}{x}\)在定义域内是减函数.