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有限数学 示例
解题步骤 1
解题步骤 1.1
要将 写成带有公分母的分数,请乘以 。
解题步骤 1.2
化简项。
解题步骤 1.2.1
组合 和 。
解题步骤 1.2.2
在公分母上合并分子。
解题步骤 1.3
化简分子。
解题步骤 1.3.1
运用分配律。
解题步骤 1.3.2
将 乘以 。
解题步骤 1.3.3
使用乘法的交换性质重写。
解题步骤 1.3.4
通过指数相加将 乘以 。
解题步骤 1.3.4.1
移动 。
解题步骤 1.3.4.2
将 乘以 。
解题步骤 2
A linear equation is an equation of a straight line, which means that the degree of a linear equation must be or for each of its variables. In this case, the degree of variable is , the degree of variable is , the degrees of the variables in the equation violate the linear equation definition, which means that the equation is not a linear equation.
非线性