Calculer sans poser.
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5 x 10 = 50 7 x 10 = 70 2 x 10 = 20 6 x 10 = 60 10 x 10 = 100 30 x 10 = 300 50 x 10 = 500 32 x 10 = 320 87 x 10 = 870 56 x 10 = 560 |
5 x 100 = 500 7 x 100 = 700 2 x 100 = 200 6 x 100 = 600 10 x 100 = 1000 30 x 100 = 3000 50 x 100 = 5000 32 x 100 = 3200 87 x 100 = 8700 56 x 100 = 5600
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5 x 1000 = 5000 7 x 1000 = 7000 2 x 1000 = 2000 6 x 1000 = 6000 10 x 1000 = 10000 30 x 1000 = 30000 50 x 1000 = 50000 32 x 1000 = 32000 87 x 1000 = 87000 56 x 1000 = 56000 |
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40 x 10 = 400 70 x 10 = 700 20 x 10 = 200 60 x 10 = 600 10 x 10 = 1000 500 x 10 = 5000 320 x 10 = 3200 870 x 10 = 8700 560 x 10 = 5600 |
512 x 100 = 51200 741 x 100 = 74100 202 x 100 = 20200 61 x 100 = 6100 8 x 100 = 800 3450 x 100 = 345000 5000 x 100 = 500000 870 x 100 = 87000 5625 x 100 = 562500 |
25 x 1000 = 25000 12 x 1000 = 12000 611 x 1000 = 611000 480 x 1000 = 480000 100 x 1000 = 100000 340 x 1000 = 340000 950 x 1000 = 950000 8721 x 1000 = 8721000 89561 x 1000 = 89561000 |