- 一次方程式 yīcìfāngchéngshì linear equationan algebraic equation of the first degree, in which the highest power of any variable is one
- 联立方程式 liánlìfāngchéngshì simultaneous equationssimultaneous equations; a system of equations where two or more unknowns must satisfy two or more equations at once
- 二次方程式 èrcìfāngchéngshì quadratic equationan equation in algebra where the highest power of the unknown variable is two
- 代数方程式 dàishùfāngchéngshì algebraic equationA mathematical statement written using operators, numbers, and variables representing quantities that are equal; an algebraic formula
- 一元方程式 yīyuánfāngchéngshì one-variable equationIn mathematics, an algebraic equation that contains only one unknown or variable.
- 恒等方程式 héngděngfāngchéngshì identity equationa mathematical equation that is true for all possible values of its variables
- 方程式赛车 fāngchéngshìsàichē formula racing; formula cara type of auto racing (and the cars used) where vehicles must adhere to strict technical specifications regarding dimensions and weight, similar to a mathematical formula
- 矛盾方程式 máodùnfāngchéngshì inconsistent equationsA set of two or more equations that have no common solution, resulting from unreasonable conditions or calculation errors.
- 线性方程式 xiànxìngfāngchéngshì linear equationIn mathematics, an algebraic equation in which the highest power of any variable is one.
- 化学方程式 huàxuéfāngchéngshì chemical equationA formula that represents a chemical reaction using symbols for the elements involved; also called [[化学反应式|化學反應式|hua4 xue2 fan3 ying4 shi4]]
- 一级方程式 yījífāngchéngshì Formula OneFormula One; the highest class of international racing for open-wheel single-seater formula racing cars
- 三次方程式 sāncìfāngchéngshì cubic equationan algebraic equation in which the highest power of the unknown variable is to the third degree