1.
\((1)\)若\(x\)的立方根是\(-8\),则\(x=\)________.
\((2)\)把命题“对顶角相等”改写成:如果________,那么________.
\((3)\)如图,将周长为\(8\)的\(\triangle ABC\)沿\(BC\)方向向右平移\(1\)个单位得到\(\triangle DEF\),则四边形\(ABFD\)的周长为________.
\((4)\)一块直角三角扳放在两平行直线上,如图所示,\(∠1+∠2=\)________度.
\((5)\)已知实数\(a\),满足\(\left| 2017-a \right|+\sqrt{a-2018}=a\),则代数式\(a-2017^{2}=\)________.