Sagot :
bonjour
A= (-3)+(+6)-(-8)
A= -3+6-(-16+8)
A= 3+8
A= 11
B =(+2)-(+3)-(+4)
B= 2-3-(8-4)
B= -5
bon courage
A)(-3)+(+6)-(-8)
=-3+(+6)-(-8+8)
=3+8
=11
B)(+2)-(+3)-(+4)
=+2-(+3-3)-(+4-4)
=+2+-7
=-5
bonjour
A= (-3)+(+6)-(-8)
A= -3+6-(-16+8)
A= 3+8
A= 11
B =(+2)-(+3)-(+4)
B= 2-3-(8-4)
B= -5
bon courage
A)(-3)+(+6)-(-8)
=-3+(+6)-(-8+8)
=3+8
=11
B)(+2)-(+3)-(+4)
=+2-(+3-3)-(+4-4)
=+2+-7
=-5