Too much money is being spent on peripheral programs when our kids can't read or do basic math.无关紧要的项目上花费太多，而我们的孩子连阅读和基本的数学运算都不会。The mathematics for solving the problem is quite complex.解这道题的数学运算相当复杂。Working out the quantities of the ingredients involved some complicated maths.算出各种成分的数量要用到一些复杂的数学运算。