Réponse:
bonjour
1)
7
7+2=9
9x3=27
27-6=21
2a)
(x+2)x3 -6
b)
3x +6 -6
3x
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Réponse:
bonjour
1)
7
7+2=9
9x3=27
27-6=21
2a)
(x+2)x3 -6
b)
(x+2)x3 -6
3x +6 -6
3x