| 单词 | place value |
| 释义 | > as lemmasplace value place value n. Mathematics the numerical value that a digit has by virtue of its position in a number. ΘΚΠ the world > relative properties > number > mathematical number or quantity > [noun] > particular qualities > relative quantuplicity1781 place value1911 1911 D. E. Smith & L. C. Karpinski Hindu-Arabic Numerals iii. 45 Concerning the earliest epigraphical instances of the use of the nine symbols, plus the zero, with place value, there is some question. 1966 L. May & R. Moss New Math for Adults Only viii. 44/2 Face value tells how many. A digit's face value never changes. Place value tells how much. A digit's place value changes as its place in the numeral changes. 1989 D. D. Foxman et al. Graduated Tests in Math. (BNC) 49 The difficulty factors noted covered both the general size of the number concerned and, more importantly, the need to put in spacing zeros to establish the place value of a digit. < as lemmas |
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