calculer mentalement chaque expression A=-3-2x(-4) B=-6-:-2+10 C=-5x3+(_12)-:-(-3) D=9x(5-7) E=-11-2x15 F=15+2x(-3)
Mathématiques
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Question
calculer mentalement chaque expression
A=-3-2x(-4)
B=-6-:-2+10
C=-5x3+(_12)-:-(-3)
D=9x(5-7)
E=-11-2x15
F=15+2x(-3)
A=-3-2x(-4)
B=-6-:-2+10
C=-5x3+(_12)-:-(-3)
D=9x(5-7)
E=-11-2x15
F=15+2x(-3)