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许多事物,我们感觉到了,并不一定能深刻地理解它;而理解了的,却能深刻地感觉它。在数学教学中也是为此,讲清一种算法的算理对於促进学生掌握它是很有意义的。求两个数的最大公约数和最小公倍数,求两个数的最小公倍数和求三个数的最小公倍数,它们的方法既有类似之处又有不同之处,这种不同在于算理上的不同。求几个数的最大公约数是先用这几个数的公约
Many things, we feel, do not necessarily understand it profoundly, but understand it, but feel it profoundly. This is also the case in math teaching, clarifying the arithmetic of an algorithm makes a lot of sense for students to master it. Find the greatest common divisor and the least common multiple of two numbers, find the least common multiple of two numbers and find the least common multiple of three numbers, and their methods have similarities and differences, the difference lies in the mathematical different. Find the greatest common divisor of several numbers is the first to use these few conventions