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« La Crise Mathématique » de 5 Minutes -- 4 grilles par page (Variation 2 à 12) (A)

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La Crise Math´ematique de 5 Minutes (A)

Inscrivez le produit du nombre de chaque colonne et rang´ee dans l’espace. Essayez de

compl´eter le tableau en 5 minutes ou moins tout en r´eussissant 98 sur 100 des multiplications.

(Variation 2 `a 12)

0 × 7 12 9 5 8 11 4 10 3 6 9 2 6 12 7 11 5 10 8 4

Time :

MMMMMMMMMM

/100

× 11 10 7 12 9 5 8 2 3 4 11 2 6 7 3 8 5 10 4 12

Time :

MMMMMMMMMM

/100

× 11 6 10 12 5 9 4 7 3 2 6 5 2 9 12 3 10 4 7 11

Time :

MMMMMMMMMM

/100

× 11 10 8 12 2 7 6 9 3 5 4 6 5 11 3 10 8 2 9 12

Time :

MMMMMMMMMM

/100

MathsLibres.com

(2)

La Crise Math´ematique de 5 Minutes (A) Solutions

Inscrivez le produit du nombre de chaque colonne et rang´ee dans l’espace. Essayez de

compl´eter le tableau en 5 minutes ou moins tout en r´eussissant 98 sur 100 des multiplications.

(Variation 2 `a 12)

0 × 7 12 9 5 8 11 4 10 3 6 9 63 108 81 45 72 99 36 90 27 54 2 14 24 18 10 16 22 8 20 6 12 6 42 72 54 30 48 66 24 60 18 36 12 84 144 108 60 96 132 48 120 36 72 7 49 84 63 35 56 77 28 70 21 42 11 77 132 99 55 88 121 44 110 33 66 5 35 60 45 25 40 55 20 50 15 30 10 70 120 90 50 80 110 40 100 30 60 8 56 96 72 40 64 88 32 80 24 48 4 28 48 36 20 32 44 16 40 12 24 × 11 10 7 12 9 5 8 2 3 4 11 121 110 77 132 99 55 88 22 33 44 2 22 20 14 24 18 10 16 4 6 8 6 66 60 42 72 54 30 48 12 18 24 7 77 70 49 84 63 35 56 14 21 28 3 33 30 21 36 27 15 24 6 9 12 8 88 80 56 96 72 40 64 16 24 32 5 55 50 35 60 45 25 40 10 15 20 10 110 100 70 120 90 50 80 20 30 40 4 44 40 28 48 36 20 32 8 12 16 12 132 120 84 144 108 60 96 24 36 48 × 11 6 10 12 5 9 4 7 3 2 6 66 36 60 72 30 54 24 42 18 12 5 55 30 50 60 25 45 20 35 15 10 2 22 12 20 24 10 18 8 14 6 4 9 99 54 90 108 45 81 36 63 27 18 12 132 72 120 144 60 108 48 84 36 24 3 33 18 30 36 15 27 12 21 9 6 10 110 60 100 120 50 90 40 70 30 20 4 44 24 40 48 20 36 16 28 12 8 7 77 42 70 84 35 63 28 49 21 14 11 121 66 110 132 55 99 44 77 33 22 × 11 10 8 12 2 7 6 9 3 5 4 44 40 32 48 8 28 24 36 12 20 6 66 60 48 72 12 42 36 54 18 30 5 55 50 40 60 10 35 30 45 15 25 11 121 110 88 132 22 77 66 99 33 55 3 33 30 24 36 6 21 18 27 9 15 10 110 100 80 120 20 70 60 90 30 50 8 88 80 64 96 16 56 48 72 24 40 2 22 20 16 24 4 14 12 18 6 10 9 99 90 72 108 18 63 54 81 27 45 12 132 120 96 144 24 84 72 108 36 60 MathsLibres.com

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