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Calcul mental
“Les nombres relatifs”
Série n°2
Diapositive 1

7-7x2
Diapositive 2

-9:5
Diapositive 3

? x 10 = -98
Diapositive 4

? x 5 = 23
Diapositive 5

32 : ?=- 4
CORRECTION
FIN
Diapositive 1

7-7x2
=7-14= -7
Diapositive 2

-9 : 5
= - 1,8
Diapositive 3

- 9,8 x10
= - 98
Diapositive 4

4,6 x 5
= 23
Diapositive 5

32:(-8) = -4

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