- 13+4= -9
-9+(-6)= -15
-36+49= 13
326+(-418)= -92
2+(-7)+9=4
15+29+(-61)= -17
18+(-7)+(-15)= -4
61+(-72)+31=20
28+84+(-75)= 37
32+54=86
-40+73=33
24+(-53)=-29
-243+(-176)= -419
-29+33+(-8)= -4
82+14+(-39)=57
31+26+84=141
16+(-51)+23= -12
21+(-7)=14
36+(-37)= -1
76+51=127
416+(-271)=145
36+17+(-42)=11
-72+21+36= -15
53+(-62)+4= -5
72+(-43)+(-36)=-7
57+(-98)+15= -26
Ley de los signos:
(+) (+)= (+)
(+) (-)= (-)
(-) (-)= (+)
(-) (+)= (-)
Espero haber ayudado :)
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- 13+4= -9
-9+(-6)= -15
-36+49= 13
326+(-418)= -92
2+(-7)+9=4
15+29+(-61)= -17
18+(-7)+(-15)= -4
61+(-72)+31=20
28+84+(-75)= 37
32+54=86
-40+73=33
24+(-53)=-29
-243+(-176)= -419
-29+33+(-8)= -4
82+14+(-39)=57
31+26+84=141
16+(-51)+23= -12
21+(-7)=14
36+(-37)= -1
76+51=127
416+(-271)=145
36+17+(-42)=11
-72+21+36= -15
53+(-62)+4= -5
72+(-43)+(-36)=-7
57+(-98)+15= -26
Ley de los signos:
(+) (+)= (+)
(+) (-)= (-)
(-) (-)= (+)
(-) (+)= (-)
Espero haber ayudado :)