Question

（2008•徐州）計(jì)算：（-1）²⁰⁰⁸+π-（+．

Answer 1

【答案】分析：本題涉及正整數(shù)指數(shù)冪，零指數(shù)冪、負(fù)整數(shù)指數(shù)冪、三次根式化簡(jiǎn)四個(gè)考點(diǎn)．在計(jì)算時(shí)，需要針對(duì)每個(gè)考點(diǎn)分別進(jìn)行計(jì)算，然后根據(jù)實(shí)數(shù)的運(yùn)算法則求得計(jì)算結(jié)果．
解答：解：（-1）²⁰⁰⁸+π-（+
=1+1-3+2
=1．
點(diǎn)評(píng)：本題考查實(shí)數(shù)的綜合運(yùn)算能力，是各地中考題中常見(jiàn)的計(jì)算題型．解決此類題目的關(guān)鍵是熟練掌握正整數(shù)指數(shù)冪，負(fù)整數(shù)指數(shù)冪、零指數(shù)冪、三次根式等考點(diǎn)的運(yùn)算．