Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.
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Transcript of Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.
![Page 1: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/1.jpg)
Calcul mental
![Page 2: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/2.jpg)
-67 + 7
Diapositive n°1Diapositive n°1
![Page 3: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/3.jpg)
-67 + 7 = -60
Diapositive n°1Diapositive n°1
![Page 4: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/4.jpg)
8 – 10 + 2
Diapositive n°2Diapositive n°2
![Page 5: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/5.jpg)
8 – 10 + 2 = 0
Diapositive n°2Diapositive n°2
![Page 6: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/6.jpg)
-7 - 5
Diapositive n°3Diapositive n°3
![Page 7: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/7.jpg)
-7 – 5 = -12
Diapositive n°3Diapositive n°3
![Page 8: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/8.jpg)
Écriture
scientifique de :0,61 x 10-3
Diapositive n°4Diapositive n°4
![Page 9: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/9.jpg)
Écriture scientifique de :
0,61 x 10-3
est6,1 x 10-4
Diapositive n°4Diapositive n°4
![Page 10: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/10.jpg)
Écrire sous forme d’une seule puissance
7-5 x 7-2
Diapositive n°5Diapositive n°5
![Page 11: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/11.jpg)
Écrire sous forme d’une seule puissance
7-5 x 7-2 = 7-7
Diapositive n°5Diapositive n°5
![Page 12: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/12.jpg)
Écrire sous forme d’une seule puissance
10-4 x 106
Diapositive n°6Diapositive n°6
![Page 13: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/13.jpg)
Écrire sous forme d’une seule puissance
10-4 x 106 = 10²
Diapositive n°6Diapositive n°6
![Page 14: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/14.jpg)
Écrire sous forme d’une seule puissance
10-8 x 102
Diapositive n°7Diapositive n°7
10-2
![Page 15: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/15.jpg)
Écrire sous forme d’une seule puissance
Diapositive n°8Diapositive n°8
(67)8 x 6-6
![Page 16: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/16.jpg)
Écrire sous forme d’une seule puissance
Diapositive n°8Diapositive n°8
(67)8 x 6-6 = 650
![Page 17: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/17.jpg)
Écrire sous forme d’une seule puissance
107 x 10-4
Diapositive n°9Diapositive n°9
10-3
![Page 18: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/18.jpg)
Écrire sous forme d’une seule puissance
107 x 10-4
Diapositive n°9Diapositive n°9
10-3= 106
![Page 19: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/19.jpg)
donner l’ écriture scientifique de
1 x 107 ?
Diapositive n°10Diapositive n°10
4
![Page 20: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/20.jpg)
donner l’ écriture scientifique de
1 x 107 ?
Diapositive n°10Diapositive n°10
41 x 107
4 = 0,75 x 107
= 7,57,5 x 10x 1066
![Page 21: Calcul mental. -67 + 7 Diapositive n°1 -67 + 7 = -60 Diapositive n°1.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551d9d82497959293b8bbb5f/html5/thumbnails/21.jpg)
FIN