Sagot :
Réponse :
bonjour
A = - 2 - 7 = - 9
B = 3 - ( - 5 ) = 3 + 5 = 8
C = - 2 + 0.5 = - 1.5
D = - 3 + 7 = 4
E = 12 - 21 = - 9
F = 14 - 8 = 6
Explications étape par étape :
Bonjour,
A=-2-7
7 > 2
=> -
B=3-(-5)
-(-) = +
=> +
C=-2-(-0,5)
id
=> +
D=-3-(-7)
-3+7
7>3
=> +
E = 12-21
21 >12
=> -
F = 14-8
14 > 8
=> +