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Expression LItterale
Marianne Morel
Created on March 19, 2025
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Transcript
Réduire un produit
Réduire une somme
Exemples : 5x + 3x = 8x x + x = 2x 10y - 7y = 3y
ExpressionLItterale
On supprime le signe x devant une lettre
On supprime le signe devant des parenthèses
Calculer en remplaçant la lettre par sa valeur numérique
Exemples : 6 x y = 6y a x a = a² 5 x c x 2 x c = 10c²
Exemple : 6 x ( a + 4) = 6 (a + 4)
Exemple : Si y = 3 alors A = 4y -7 A = 4 x y - 7 A = 4 x 3 - 7 A = 12 - 7 A = 5
Tester une égalité
Exemple : L'égalité 3b - 4 = 5 + 2b est -elle vraie pour b = 2 ? Membre de gauche : 3 x b - 4 =3 x 2 -4= 6-4 = 2 Membre de droite : 5 + 2 x b = 5 + 2 x 2 =5+4 =9 Les deux expressions n'ont pas la même valeur, donc l'égalité est fausse pour b = 2.
Programme de calcul
- Choisir un nombre x
- Lui retrancher 5 x - 5
- Multiplier par 4 le résultat 4(x-5)
Central Mind Map
I'm a great subtitle, ideal for giving more context about the topic you are going to address
A subtitlegreat here
A subtitlegreat here
a title great
Write a great subtitle here
Write a great subtitle here
A subtitlegreat here
A subtitlegreat here
A subtitlegreat here
A subtitlegreat here
Write a great subtitle here
Write a great subtitle here
A subtitlegreat here
A subtitlegreat here
Write a great subtitle here
A subtitlegreat here
A subtitlegreat here
A greattitle here
Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always bores and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
a greattitle here
Visual content is a cross-cutting, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as usual is boring and doesn't hook. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
A greattitle here
With Genially's templates, you can include visual resources to leave your audience amazed. You can also highlight a specific phrase or data that will be etched in your audience's memory, and even embed external content that surprises: videos, photos, audios... Whatever you want!
Link
a greattitle here
With Genially's templates, you can include visual resources to leave your audience amazed. You can also highlight a specific phrase or data that will be etched into your audience's memory, and even embed external content that surprises: videos, photos, audios... Whatever you want!
Link
A greattitle here
Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always bores and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
a greattitle here
Visual content is a cross-cutting, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as usual is boring and doesn't hook. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
A greattitle here
With Genially's templates, you can include visual resources to leave your audience amazed. You can also highlight a specific phrase or data that will be etched in your audience's memory, and even embed external content that surprises: videos, photos, audios... Whatever you want!
Link
a greattitle here
With Genially's templates, you can include visual resources to leave your audience amazed. You can also highlight a specific phrase or data that will be etched into your audience's memory, and even embed external content that surprises: videos, photos, audios... Whatever you want!
Link
a greattitle here
Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always bores and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link
a greattitle here
Visual content is a transversal, universal language, like music. We are capable of understanding images from millions of years ago, even from other cultures. We don't like to bore. We don't want to be repetitive. Communicating as always bores and doesn't engage. We do it differently. We sabotage boredom. We create what the brain likes to consume because it stimulates it.
Link