小学数学乘法

【2】乘法算式的两种读法 标清  https://m.baidu.com/video/page?pd=video_page&nid=68012244723696995&sign=&word=%E4%B9%98%E6%B3%95%E7%AE%97%E5%BC%8F%E7%9A%84%E4%B8%A4%E7%A7%8D%E8%AF%BB%E6%B3%95+%E6%A0%87%E6%B8%85&oword=%E4%B9%98%E6%B3%95%E7%AE%97%E5%BC%8F%E7%9A%84%E4%B8%A4%E7%A7%8D%E8%AF%BB%E6%B3%95+%E6%A0%87%E6%B8%85&atn=index&ext=%7B%22jsy%22%3A1%7D&top=%7B%22sfhs%22%3A1%2C%22_hold%22%3A2%7D&_t=1672886813950

*  18x3，读作：  

  2.1）18乘以3

  2.2）3乘18