21 8*2-(2 (13-9)*31-(10-6)
Mathématiques
cybulskinathali
Question
21 8*2-(2 (13-9)*31-(10-6)
1 Réponse
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1. Réponse amelie08
21+8X2-(2+(13-9)X31-(10-6))
21+8X2-(2+4X31-4)
21+8X2-(2+124-4)
21+8X2-124
21+16-124
37-124
= -87