(1)-8-7=______;
(2)-5+3=______;
(3)-2+3=______;
(4)-10-(-7)=______;
(5)0-1=______;
(6)-7-(+4)=______;
(7)5-(-5)=______
(8)-9-9=______;
(9)32=______;
(10)(-4)2=______;
(11)-72=______;
(12)-(-6)2=______.
(13)=______
(14)÷=______
(15)=______.
网友回答
解:(1)-8-7=-15;
(2)-5+3=-2;
(3)-2+3=1;
(4)-10-(-7)=-3;
(5)0-1=-1;
(6)-7-(+4)=-11;
(7)5-(-5)=10;
(8)-9-9=-18;
(9)32=9;
(10)(-4)2=16;
(11)-72=-49;
(12)-(-6)2=-36.
(13)=-6;
(14)÷=1;
(15)=.
故