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Calcul mental
“Le code des opérations”
Série n° 4
Diapositive 1

27 + 94 + 73
Diapositive 2

20 - 13 + 3
Diapositive 3

2,5 × 3,7 × 4
Diapositive 4

30 + 7 × 4
Diapositive 5

6×7+5×4
FIN
CORRECTION
Diapositive 1

27 + 94 + 73
=100+94 = 194
Diapositive 2

20 - 13 + 3
= 7 +3 = 10
Diapositive 3

2,5 × 3,7 × 4
= 3,7 × 10= 37
Diapositive 4

30 + 7 × 4
= 30 + 28 = 58
Diapositive 5

6×7+5×4
= 42 + 20 = 62

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