Through the analysis of characteristics and laws of logic arithmetic operation, the auther sums up experience from practice, and acquires six feasible methods, that is, the methods of a pithy formula, substitute, calculation, analogy and gradation.

• 分析了逻辑运算的特声、规律，总结了逻辑运算教学中的实践经验，得出了口诀法、换法、值法、推法、路法和分层法等六种教学方法。