分析:(1)首先去絕對(duì)值號(hào),再進(jìn)行乘方運(yùn)算,然后把除法轉(zhuǎn)化為乘法運(yùn)算后進(jìn)行乘法運(yùn)算,最后進(jìn)行加減法運(yùn)算即可;
(2)首先進(jìn)行乘方運(yùn)算,然后把除法轉(zhuǎn)化為乘法,根據(jù)乘法分配原則,逐一去括號(hào),去絕對(duì)值號(hào),最后進(jìn)行加減法運(yùn)算即可;
(3)首先進(jìn)行乘方運(yùn)算,然后把除法轉(zhuǎn)化為乘法,進(jìn)行進(jìn)行乘法運(yùn)算,再去括號(hào),進(jìn)行加減運(yùn)算;
(4)首先對(duì)各中括號(hào)內(nèi)的運(yùn)算進(jìn)行計(jì)算,然后進(jìn)行乘方運(yùn)算,把帶分?jǐn)?shù)化為假分?jǐn)?shù),最后進(jìn)行乘法運(yùn)算即可.
解答:解:(1)原式=-1-
×
+6×
=-1-
+
=
;
(2)原式=-1-(
-)×3×(-2-27)-(
-)=-1-(-
)×(-29)+
=-
+=-
;
(3)原式=1-5×(8+2)-16×(-2)=1-50+32=-17;
(4)原式=1×[
-+×(-)-125]=-
--=-
.
點(diǎn)評(píng):本題主要考查有理數(shù)的混合運(yùn)算、乘方運(yùn)算、通分,關(guān)鍵在于正確的去括號(hào),認(rèn)真的進(jìn)行計(jì)算即可.