2. Điền dấu >;
100...200 400...300
300...200 700...800
500...400 900...900
700...900 600...500
500...500 900...1000
1.
100
200 > 100 500 > 300
2.
100 300
300 > 200 700
500 > 400 900 = 900
700 500
500 = 500 900
3.
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