Bonjour,
1)
a
7
7*-3 = -21
-21 -5 = -26
b
-4
12
2)
à l'envers:
1
1+5 = 6
6/-3 = -2
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Bonjour,
1)
a
7
7*-3 = -21
-21 -5 = -26
b
-4
12
7
2)
à l'envers:
1
1+5 = 6
6/-3 = -2