bonjour
je te montre
A = - 3 - 10 .2
A = - 3 + ( - 10.2 )
A = - 3 - 10.2 = - 13.2
fais pareil pour les autres
A = ( - 7 ) - ( - 10 ) = - 7 + 10 = 3
B = 7 + ( - 9.4) = 7 - 9.4 = - 2.4
C = ( - 12 ) + ( - 7 ) = - 12 - 7 = - 19
D = - 13 - 3 = - 16
E = ( - 19) + 8 = - 19 + 8 = - 11
F = 6 - 9 = - 3
35 - ( - 13) = 35 + 13 = 48
- 39 + 41 = 2
- 12.3 - 4.7 = - 17
7 - 15 = - 8
