1 743 = 1 000 + 700 + 40 + 3
10 000 = 10 mii
7 401 = 7 mii + 4 sute + o unitate = 7 000 + 400 + 1
9 980 = 9 000 + 900 + 80
6 225 = 6 000 + 200 + 20 + 5
2 389 = 2 000 + 300 + 80 + 9
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b) 10 000 > 9 980
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c) 1 743; 2 389; 6 225; 7 401; 9 980; 10 000 → crescator
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d) 7 401 → cel mai mare număr impar