[tex]\huge\red {\mid {\fbox{\tt {hola}}\mid}}[/tex]
+4-(+5)=
=4−5
=4+−5
=−1
-3+(-8)=
−3−8
=−3+−8
=−11
-9-(-7)=
=−9−(−7)
=−9+7
=−2
+5+(-11)=
5−11
=5+−11
=−6
-4+(-9)=
−4−9
=−4+−9
=−13
+3-(-5)=
=3−(−5)
=3+5
=8
-8+(-8)=
−8−8
=−8+−8
=−16
+8-(-8)=
=8−(−8)
=8+8
=16
-8-(-8)=
=−8−(−8)
=−8+8
=0
+0-(-1)=
=0−(−1)
=0+1
=1
0+(-4)=
0−4
=0+−4
=−4
Salu2!!
