As Xml water is included
无解就是no solution,或者undefined.
函数就是function,区间是interval
有理数是rational number,无理数是irrational number
空集是empty set,子集是subsets,交集是intersections,并集是unions,补集是complements
加法是addition,减法是subtraction,乘法是multiplication,除法是division,乘方是power,根号是radical
方程是equation,不等式是inequalities,绝对值是absolute value
交换律是communicative properties,结合律是associative properties,分配律是distributive properties
小数和分数分别是decimal和fraction
方根是roots,虚数是imaginary number
如果楼主有需要可以在百度hi叫我一声.