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keltoumberrezk
@keltoumberrezk
June 2021
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comment faire pour calculer 105 au carré - 95 au carré mentalement SVP URGENT
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winner123
Verified answer
On fait
(100 +5) ( 100 -5) = 100² -5² = 10 000 -25 = 9 975
2 votes
Thanks 6
keltoumberrezk
non c 105 au carré - 95 au carré et non pas 5 au carré
xxx102
Verified answer
Bonsoir,
On factorise.
Si tu as des questions, n'hésite pas ! =)
3 votes
Thanks 6
keltoumberrezk
daccord xxx102 merci de ton aide mais cme tu ma dis si g des estions je pouvais peux tu me dire pourquoi fois 10
keltoumberrezk
explique moi en details stp
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Lista de comentários
Verified answer
On fait(100 +5) ( 100 -5) = 100² -5² = 10 000 -25 = 9 975
Verified answer
Bonsoir,On factorise.
Si tu as des questions, n'hésite pas ! =)