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poum62
@poum62
January 2021
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Quelqu'un aurait 5 minutes pour mon exercice svp
Merci.
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ProfdeMaths1
Verified answer
6*(21+15)=6*21+6*15=216
12*(135-42)=12*135-12-42=1209
6,3*(5,4+0,9)=6,3*5,4+6,3*0,9=39,69
9*6,3+9*5,7=9*(6,3+5,7)=108
1,2*0,6-1,2*0,3=1,2*(0,6-0,3)=0,36
41*23+23*98=23*(41+98)=3197
21*57-21*49=21*(57-49)=168
a(x+y)=ax+ay
2,5*(3,2+4,1)=2,5*3,2+2,5*4,1=18,25
3a-3b=3(a-b)
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loulakar
Verified answer
Bonjour,
Voir pièce jointe
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Bonjour , je souhaiterais avoir un peu d'aide s'il vous plait ,merci
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Petit coup de pouce please ;)
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salut a tous ! est il possible d'avoir de l'aide pour cette exercice?
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bonjour est il possible d'avoir de l'aide ? merci
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Verified answer
6*(21+15)=6*21+6*15=21612*(135-42)=12*135-12-42=1209
6,3*(5,4+0,9)=6,3*5,4+6,3*0,9=39,69
9*6,3+9*5,7=9*(6,3+5,7)=108
1,2*0,6-1,2*0,3=1,2*(0,6-0,3)=0,36
41*23+23*98=23*(41+98)=3197
21*57-21*49=21*(57-49)=168
a(x+y)=ax+ay
2,5*(3,2+4,1)=2,5*3,2+2,5*4,1=18,25
3a-3b=3(a-b)
Verified answer
Bonjour,Voir pièce jointe