div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=acdsee-pdf-image-udn-thi-kim-52-cc-bi-ton-tai-cc-ch-d-lm-vichtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: ACDSee PDF Image - udnvntailieusoudnvnbitstreamTTHL_12529951Pham Thi Kim52 Các bài toán tai các ché dô làm viêc vói dô mð 20mm cúa cánh huáng dòng 25 52 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentspubreader030viewer20220405055e3c304f97b29113cf381673html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=acdsee-pdf-image-udn-thi-kim-52-cc-bi-ton-tai-cc-ch-d-lm-vichtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: ACDSee PDF Image - udnvntailieusoudnvnbitstreamTTHL_12529951Pham Thi Kim52 Các bài toán tai các ché dô làm viêc vói dô mð 20mm cúa cánh huáng dòng 25 52 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentspubreader030viewer20220405055e3c304f97b29113cf381673html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=acdsee-pdf-image-udn-thi-kim-52-cc-bi-ton-tai-cc-ch-d-lm-vichtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: ACDSee PDF Image - udnvntailieusoudnvnbitstreamTTHL_12529951Pham Thi Kim52 Các bài toán tai các ché dô làm viêc vói dô mð 20mm cúa cánh huáng dòng 25 52 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentspubreader030viewer20220405055e3c304f97b29113cf381673html5thumbnails3jpg width=140 height=200 divdiv