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« La Crise Mathématique » de 5 Minutes -- 4 grilles par page (Variation 0 à 9) (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 0 `a 9)

0 × 7 2 4 8 9 6 3 5 1 0 3 9 1 7 4 8 5 0 2 6

Time :

MMMMMMMMMM

/100

× 7 6 8 0 1 9 2 3 4 5 6 0 5 9 3 1 4 2 7 8

Time :

MMMMMMMMMM

/100

× 4 8 9 2 0 3 7 1 6 5 5 3 2 6 0 8 9 4 1 7

Time :

MMMMMMMMMM

/100

× 6 3 1 4 2 8 5 0 9 7 2 4 1 6 3 0 9 8 5 7

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 0 `a 9)

0 × 7 2 4 8 9 6 3 5 1 0 3 21 6 12 24 27 18 9 15 3 0 9 63 18 36 72 81 54 27 45 9 0 1 7 2 4 8 9 6 3 5 1 0 7 49 14 28 56 63 42 21 35 7 0 4 28 8 16 32 36 24 12 20 4 0 8 56 16 32 64 72 48 24 40 8 0 5 35 10 20 40 45 30 15 25 5 0 0 0 0 0 0 0 0 0 0 0 0 2 14 4 8 16 18 12 6 10 2 0 6 42 12 24 48 54 36 18 30 6 0 × 7 6 8 0 1 9 2 3 4 5 6 42 36 48 0 6 54 12 18 24 30 0 0 0 0 0 0 0 0 0 0 0 5 35 30 40 0 5 45 10 15 20 25 9 63 54 72 0 9 81 18 27 36 45 3 21 18 24 0 3 27 6 9 12 15 1 7 6 8 0 1 9 2 3 4 5 4 28 24 32 0 4 36 8 12 16 20 2 14 12 16 0 2 18 4 6 8 10 7 49 42 56 0 7 63 14 21 28 35 8 56 48 64 0 8 72 16 24 32 40 × 4 8 9 2 0 3 7 1 6 5 5 20 40 45 10 0 15 35 5 30 25 3 12 24 27 6 0 9 21 3 18 15 2 8 16 18 4 0 6 14 2 12 10 6 24 48 54 12 0 18 42 6 36 30 0 0 0 0 0 0 0 0 0 0 0 8 32 64 72 16 0 24 56 8 48 40 9 36 72 81 18 0 27 63 9 54 45 4 16 32 36 8 0 12 28 4 24 20 1 4 8 9 2 0 3 7 1 6 5 7 28 56 63 14 0 21 49 7 42 35 × 6 3 1 4 2 8 5 0 9 7 2 12 6 2 8 4 16 10 0 18 14 4 24 12 4 16 8 32 20 0 36 28 1 6 3 1 4 2 8 5 0 9 7 6 36 18 6 24 12 48 30 0 54 42 3 18 9 3 12 6 24 15 0 27 21 0 0 0 0 0 0 0 0 0 0 0 9 54 27 9 36 18 72 45 0 81 63 8 48 24 8 32 16 64 40 0 72 56 5 30 15 5 20 10 40 25 0 45 35 7 42 21 7 28 14 56 35 0 63 49 MathsLibres.com

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