div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: ivndoccomivndoccomdatafile2015Thang0121de-toan-dh-sp-hn-lan-5-2015pdf · trong ctó XA XB là nghiêm Clia pt kx-+ 2kx -I- k + I = 0 Nên k -l- Suy ra kg — -l- src=https:reader036vdocumentspubreader036viewer20220706175e08eebd4cf8351d980c27f4html5thumbnails1jpg width=142 height=106 layout=responsive amp-img diva href=http:wwwvietmathscom rel=ugc nofollow target=_blankhttp:wwwvietmathscomadivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: ivndoccomivndoccomdatafile2015Thang0121de-toan-dh-sp-hn-lan-5-2015pdf · trong ctó XA XB là nghiêm Clia pt kx-+ 2kx -I- k + I = 0 Nên k -l- Suy ra kg — -l- src=https:reader036vdocumentspubreader036viewer20220706175e08eebd4cf8351d980c27f4html5thumbnails2jpg width=142 height=106 layout=responsive amp-img diva href=http:wwwvietmathscom rel=ugc nofollow target=_blankhttp:wwwvietmathscomadivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: ivndoccomivndoccomdatafile2015Thang0121de-toan-dh-sp-hn-lan-5-2015pdf · trong ctó XA XB là nghiêm Clia pt kx-+ 2kx -I- k + I = 0 Nên k -l- Suy ra kg — -l- src=https:reader036vdocumentspubreader036viewer20220706175e08eebd4cf8351d980c27f4html5thumbnails3jpg width=142 height=106 layout=responsive amp-img diva href=http:wwwvietmathscom rel=ugc nofollow target=_blankhttp:wwwvietmathscomadiv