问题
填空题
化简:+(-8)=______,-[-(+2)]=______,-[-(-2
|
答案
+(-8)=-8,
-[-(+2)]=2,
-[-(-2
)]=-21 4
.1 4
故答案为:-8;2;-2
.1 4
化简:+(-8)=______,-[-(+2)]=______,-[-(-2
|
+(-8)=-8,
-[-(+2)]=2,
-[-(-2
)]=-21 4
.1 4
故答案为:-8;2;-2
.1 4