有理数混合运算习题300道.doc

文档介绍：有理数的混合运算
(一)填空
-17-(+23)=______.
5.-7-9+(-13)=______.
6.-11+|12-(39-8)|=______.
7.-9-|5-(9-45)|=______.
8.-+-|--|=______.
9.-|-|+[-(-)]=______.
-8-(2-|-+-|)=______.
-(-|+518|)=______.
×(-7)+5[(-2)3(-32)-(-22)]-38×339÷(-3)38=______.
48.(-2)×{(-3)×[(-5)+2×(-)÷83-3]+4}=______.
-74-(-5+26).
116.-84-(16-3)+7.
118.-+-(-).
119.-+[-(7+-)].
-[-(-)].
+[-(-+)].
134.(-3)2÷.
135.(-)×(-4).
136.(-32)÷(-2)2.
173.(-1)2×5+(-1)×52-12×5+(-1×5)2.