(1)|+5|-|-15|=______(2)|-3.5|-2=______(3)-9-______=0.

发布时间:2020-08-05 20:49:42

(1)|+5|-|-15|=______ 
(2)|-3.5|-2=______ 
(3)-9-______=0.

网友回答

解:(1)|+5|-|-15|,
=5-15,
=-10;

(2)|-3.5|-2,
=3.5-2,
=1.5; 

(3)-9-(-9)=0.
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