(-7)+(-5)= -12
(+3)+(+4.5)= +7.5
-6.1+(-3.9)= -10
10+(+100)= 110
(-7)+(+5)= -2
-16+(+3.9)= -12.1
(+11)+(-12)= -1
-10+14= 4
17-(-3)= 17+(+3)= 20
-5-(+11)= -5+(-11)= -16
(-7)-(+5)= (-7)+(-5)= -12
(+11)-(-12)= (+11)+(+12)= 23
Voila j'espère que cela t'as aidé si jamais tu as des questions tu peux me les poser :D
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(-7)+(-5)= -12
(+3)+(+4.5)= +7.5
-6.1+(-3.9)= -10
10+(+100)= 110
(-7)+(+5)= -2
-16+(+3.9)= -12.1
(+11)+(-12)= -1
-10+14= 4
17-(-3)= 17+(+3)= 20
-5-(+11)= -5+(-11)= -16
(-7)-(+5)= (-7)+(-5)= -12
(+11)-(-12)= (+11)+(+12)= 23
Voila j'espère que cela t'as aidé si jamais tu as des questions tu peux me les poser :D