单词	expand
释义	Expand Expand is when we multiply to remove the ( ) But we have to do it the right way! Example: To expand 3(a+b) we multiply 3 by (a+b) to get 3a + 3b
随便看	insurance integer integral integrand intercepted arc interest interest rate interior angle interpolation interquartile range intersect intersection intersection (sets) interval invariant inverse inverse operation inverse property of addition inverse property of multiplication investing irrational number irregular irregular polygon isometric isosceles triangle

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。