1 yard bằng 3 feet:
1 yd = 3 ft
2 yard bằng 6 feet:
2 yd = 6 ft
3 yard bằng 9 feet:
3 yd = 9 ft
4 yard bằng 12 feet:
4 yd = 12 ft
5 yard bằng 15 feet:
5 yd = 15 ft
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