I had 160 pages in Adobe InDesign A4 size, with many images and vectors,
I want to export to pdf with a size of less than 10 mb to be uploaded on the web.
but the file that I can even 50mb. whereas the size of downsampling 72 dpi
thanks a lot.
and this is the result of the size of files that I can be when trying to export as much as 20x
Since you appear to be using an English language version of ID I'm going to presume your system is set to use a comma as the thousands separator, not a dot, so all of the files you show in your screen capture list are well under 1 mb (ranging from about 28 kb to 55 kb). I'm not sure I understand your problem.