Definition

1. Odd number: A whole number that is not divisible by two. When divided by two, it leaves a remainder of one.
2. Decimal part: The fractional component of a number, located to the right of the decimal point. Also called the fractional part.

Usage Examples

• Odd number:
  • 3, 5, và 7 là những số lẻ. (3, 5, and 7 are odd numbers.)
  • Số ghế của tôi là số lẻ. (My seat number is an odd number.)
• Decimal part:
  • Trong số 12,75, phần số lẻ là 0,75. (In the number 12.75, the decimal part is 0.75.)
  • Hãy làm tròn bỏ phần số lẻ. (Round off the decimal part.)

Advanced Usage

• In mathematics, the property of being an odd number is fundamental in number theory and arithmetic operations.
• In computing and data processing, identifying odd numbers is common in algorithms and logic checks.
• The term decimal part is crucial in precision measurement, currency, and scientific calculations.

Variants and Related Words

• Số chẵn: Even number; a whole number divisible by two.
• Số nguyên: Integer; a whole number (not a fraction) that can be positive, negative, or zero.
• Số thập phân: Decimal number; a number that contains a decimal point.

Synonyms

• Odd number: Uneven number.
• Decimal part: Fractional part, mantissa (in logarithms).

Related Idioms and Phrases

• Chia hết cho số lẻ: Divisible by an odd number.
• Phần lẻ: A common shortened colloquial term for the decimal/fractional part.
  • Chỉ lấy phần nguyên, bỏ phần lẻ. (Take only the integer part, discard the fractional part.)