Bonsoir, besoin d’aide sur les identités remarquables:
-(5-3) (5-3)
-(6+5) (6+5)
-(9-2) (2+9)
Thankss’
-(5-3) (5-3)
-(6+5) (6+5)
-(9-2) (2+9)
Thankss’
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-(5-3) (5-3) calcul dans les () puis X
- 2 x 2
- 4
-(6+5) (6+5)
- 11 x 11
- 121
-(9-2) (2+9)
- 7 x 11
- 77