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Calcul mental
N°12
“Les nombres relatifs”
7 - 7 x 2
Diapositive 1Diapositive 1
- 9 : 5
Diapositive 2Diapositive 2
? x 10 = -98
Diapositive 3Diapositive 3
? x 5 = 23
Diapositive 4Diapositive 4
32 : ?=- 4
Diapositive 5Diapositive 5
FIN
CORRECTION
7 - 7 x 2
=7-14= -7
Diapositive 1Diapositive 1
-9 : 5
= - 1,8
Diapositive 2Diapositive 2
- 9,8 x10
= - 98
Diapositive 3Diapositive 3
4,6 x 5
= 23
Diapositive 4Diapositive 4
32:(-8) = -4
Diapositive 5Diapositive 5

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