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1 |
La décomposition multiplicative permet de décomposer un nombre en une somme de multiplications. |
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2 |
125 = (1 x 100) + (2 x 20) + 5 |
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5 |
630 = (6 x 100) + (3 x 10) = 63 x 100 |
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6 |
983 = (9 x 100) + (80 x 10) + 3 |
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7 |
249 = (2 x 100) + (4 x 10) + 9 = (24 x 10) + 9 |
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9 |
6.496 = (6 x 1.000) + (4 x 100) + (9 x 10) + 6 |
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10 |
9.630 = (9 x 1.000) + (6 x 100) + (3 x 10) |
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11 |
(10 x 1.000) + (5 x 100) + (3 x 10) + 6 = ? |
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12 |
25.563 = (25 x 10.000) + (5 x 100) + (6 x 10) + 3 |
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13 |
(9 x 10.000) + (8 x 1.000) + (3 x 100) + 12 = 98.312 |
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14 |
(7 x 1.000) + (8 x 100) + (7 x 10) + 4 = ? |
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15 |
454 x 12 = (451 x 10) + (451 x 2) = 4.510 + 902 = 5.412 |
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16 |
736 x 24 = (736 x 20) + (736 x 4) = 14.720 + 2.944 = 17.664 |
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20 |
493 x 41 = (493 x 40) + (493 x 1) = 19.720 + 493 = 20.213 |
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ou complétez le formulaire ci-dessus :
