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antithetic    
a. 正相反的;对照法的

正相反的;对照法的

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  • Irreducible fraction - Wikipedia
    An irreducible fraction (or fraction in lowest terms, simplest form or reduced fraction) is a fraction in which the numerator and denominator are integers that have no other common divisors than 1 (and −1, when negative numbers are considered) [1]
  • Fraction - Wikipedia
    The entire fraction may be expressed as a single composition, in which case it is hyphenated, or as a number of fractions with a numerator of one, in which case they are not (For example, two-fifths is the fraction ⁠ 2 5 ⁠ and two fifths is the same fraction understood as 2 instances of ⁠ 1 5 ⁠ )
  • One half - Wikipedia
    One half Look up one half in Wiktionary, the free dictionary One half is the multiplicative inverse of 2 It is an irreducible fraction with a numerator of 1 and a denominator of 2 It often appears in mathematical equations, recipes and measurements
  • List of mathematical constants - Wikipedia
    The following list includes the continued fractions of some constants and is sorted by their representations Continued fractions with more than 20 known terms have been truncated, with an ellipsis to show that they continue Rational numbers have two continued fractions; the version in this list is the shorter one Decimal representations are rounded or padded to 10 places if the values are
  • 1. 5 - Wikipedia
    1 5 (one and one half, three halves, or sesquialterum) may refer to: 1 5 °C is the preferred limit of global warming signed in the Paris Agreement 1 5, an album by Big Data Superparticular ratio: 3 2 or 1 1⁄2 Perfect fifth (3 2), a musical interval "1 5" (song), a 2018 song by 21 Savage
  • Ratio - Wikipedia
    The ratio of numbers A and B can be expressed as: [6] the ratio of A to B A: B A is to B (when followed by "as C is to D "; see below) a fraction with A as numerator and B as denominator that represents the quotient (i e , A divided by B, or A B {\displaystyle {\tfrac {A} {B}}} ) This can be expressed as a simple or a decimal fraction, or as a percentage, etc [7] When a ratio is written in
  • Repeating decimal - Wikipedia
    Every terminating decimal representation can be written as a decimal fraction, a fraction whose denominator is a power of 10 (e g 1 585 = ⁠ 1585 1000 ⁠); it may also be written as a ratio of the form ⁠k 2 n ·5 m⁠ (e g 1 585 = ⁠ 317 2 3 ·5 2⁠)
  • Multiplicative inverse - Wikipedia
    The multiplicative inverse of a fraction a b is b a Dividing 1 by a real number yields its multiplicative inverse For example, the reciprocal of 5 is one fifth (1 5 or 0 2), and the reciprocal of 0 25 is 1 divided by 0 25, or 4





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