论文部分内容阅读
初中数学有许多“不等于0”的规定,必须引起我们的高度注意,否则易掉进陷阱。一、除式或分式的分母“不等于O”的规定为了保证除法运算有意义,教材中规定了“除式不能为0”。如:
There are many “does not equal 0” rules in junior high school mathematics, and we must pay close attention to it. Otherwise, we may fall into the trap. 1. The denominator of the divisor or fractional denominator “does not equal O” specifies that the “division formula cannot be zero” in order to ensure meaningful division. Such as: