<div class='cut-page'><button class='gotoPage' data-page='1'>Page 1</button> <div class='cut-image'><a href='https://reader039.cupdf.com/reader039/viewer/2022040306/5ec40299e5dbbe61872bdf46/html5/page/1.jpg' target='_blank'><img data-url='document/20-3-p-x-a-px-px-0-m-px-x-e-u-v-2w-92-w-20-3-p-x-a.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: 20 3. p (x) — p'(x) + p(x) 0 , m p(x) x e ôu ôv ô2w (92 w ... · 20 3. p (x) — p'(x) + p(x) 0 , m p(x) x e ôu ôv ô2w (92 w ôx2 ôy2 ðv ôg ôu w(x, y) ô2h ôv2 651 1' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader039.cupdf.com/reader039/viewer/2022040306/5ec40299e5dbbe61872bdf46/html5/thumbnails/1.jpg' width='140' height='200' /></a></div></div>