Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. This article is about proportionality, the mathematical relation. For other uses of the term proportionality, see Proportionality disambiguation. y is directly proportional to x. In mathematics, two quantities are said to be proportional if they vary in such a way that one of the quantities is a constant multiple of the other, or equivalently if they have a constant ratio. Proportion also refers to the equality of two ratios.
AmazonPagina's: 100, Paperback, Betascript Publishers
Prijshistorie
* Prijshistorie bevat geen data van Amazon, Amazon Marketplace.
Prijzen voor het laatst bijgewerkt op: