奇函數(shù)乘以奇函數(shù)等于什么函數(shù)

奇函數(shù)乘以奇函數(shù)等于偶函數(shù)。奇函數(shù)乘偶函數(shù)是奇函數(shù)，奇函數(shù)加減奇函數(shù)是奇函數(shù)，偶函數(shù)加減偶函數(shù)是偶函數(shù)，奇函數(shù)乘奇函數(shù)是偶函數(shù)，偶函數(shù)乘偶函數(shù)是偶函數(shù)。偶函數(shù)乘偶函數(shù)是偶函數(shù)。

1、奇偶函數(shù)的加法規(guī)則

（1）奇函數(shù)加奇函數(shù)所得函數(shù)為奇函數(shù)。

（2）偶函數(shù)加偶函數(shù)所得函數(shù)是偶函數(shù)。

（3）偶函數(shù)加奇函數(shù)所得函數(shù)為非奇非偶函數(shù)。

2、奇偶函數(shù)的減法規(guī)則

（1）奇函數(shù)減去奇函數(shù)所得為奇函數(shù)。

（2）偶函數(shù)減去偶函數(shù)所得為偶函數(shù)。

（3）奇函數(shù)減去偶函數(shù)所得為非奇非偶函數(shù)。

3、奇偶函數(shù)的乘法規(guī)則

（1）奇函數(shù)乘以奇函數(shù)所得函數(shù)為偶函數(shù)。

（2）奇函數(shù)乘以偶函數(shù)所得函數(shù)為奇函數(shù)。

（3）偶函數(shù)乘以偶函數(shù)所得為偶函數(shù)。

4、奇偶函數(shù)的除法規(guī)則

（1）奇函數(shù)除以奇函數(shù)所得函數(shù)為偶函數(shù)。

（2）奇函數(shù)除以偶函數(shù)所得函數(shù)為奇函數(shù)。

（3）偶函數(shù)除以偶函數(shù)所得為偶函數(shù)。