《标准》在“教学建议”中指出,要“鼓励算法多样化”。这一教学建议已被广大教师普遍接受。算法多样化之后要不要优化?如何优化?这些问题一直困扰着许多教师。有些教师认为:“如果对多样化的算法进行优化,就谈不上算法多样化。”似乎多样化与优化是矛盾的。然而,“多中择优,择 The Standard states in its Teaching Suggestions that “to encourage the diversity of algorithms.” This teaching suggestion has been generally accepted by the majority of teachers. How to Optimize After Algorithmic Diversification? These questions have plagued many teachers. Some teachers think: “There is no way to diversify algorithms if we are to diversify algorithms.” It seems that diversity and optimization are paradoxical. However, "many choose excellent, choose