单词	cross multiply
释义	Cross Multiply To rewrite an equation from a/b = c/d to ad = bc Example: 2/x = 4/y Can be rewritten as: 2y = 4x
随便看	dilation dimension dimensions dipyramid directed number direction directrix discount discrete data discriminant disk displacement (distance) displacement (fluid) disposable income distance distributive law diverge diversification divide divide evenly dividend dividends divisible division divisor

数学辞典收录了1200条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。