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	radicand radius radius (polygon) radix random random sample range (statistics) range of a function rate rate of return ratio rational expression rational function rational number ray real number reciprocal rectangle rectangular coordinates rectangular prism recurrence relation recurring decimal recursion recursive reduce

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。