<p>如图所示梁，剪力等于零的截面位置x之值为: <img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/87/20/8720f30c4913bb1b05482ac24b493c8e.jpg" style="width: 100%;height: auto;"><img alt="" src="https://file.gaojiufeng.cn/learnAppQuestion/4b/58/4b584e1da4b423e3b542b9a163e8957f.jpg" style="width: 100%;height: auto;"></p>