<div class='cut-page'><button class='gotoPage' data-page='1'>Page 1</button> <div class='cut-image'><img data-url='document/-hm-so-dng-bien-trn-cc-khong-xc-dinh-din-tch-hnh-phng-gii-han-bi-d-thi-hm.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: · PDF fileD. Hàm so dông bien trên các khoång xác dinh. ... Diên tích hình phäng giói han bði dò thi hàm só, duðng thäng x=a, duðng thäng x=b ' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader034.cupdf.com/reader034/viewer/2022051009/5a78853d7f8b9a1f128c38e9/html5/thumbnails/1.jpg' width='140' height='200' /></div></div>