| 单词 | rational fraction |
| 释义 | > as lemmasrational fraction ΚΠ 1745Rational Fraction [see sense A. 7b]. 1823 J. Mitchell Dict. Math. & Physical Sci. Rational Fractions is the term commonly used to express those fractions which may be decomposed into other fractions, the sum of which is equal to the given fraction. 1850 U. Parke Lect. Philos. Arithm. (ed. 4) viii. 124 No root of a Surd can be expressed by an integer, nor by any rational fraction. 1871 E. Olney Gen. Geom. & Calculus iv. 118 Whatever the denominator of a rational fraction, as f(x)dx/ ϕ(x), whose numerator is of lower dimensions than its denominator, [etc.]. < as lemmas |
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