加 plus： one plus one equals two
减 minus: one minus one equals zero
乘 times: one times one equals one
除祥闷 division: one divided by one equals one
括号 parentheses: one plus two times open parenthese one plus three close parenthese equals nine
次方老姿根 root: square root of five & cubic root of five
次方 power: five to the power of two & five to the power of three
方程侍宴绝式 equation: five X plus six Y equals two
