div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page1jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page2jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page3jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page4jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails4jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page5jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails5jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page6jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails6jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page7jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails7jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page8jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails8jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page9jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails9jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page10jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails10jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page11jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails11jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imagea href=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5page12jpg target=_blank img data-url=th-ch-cuc-da-dang-ha-cc-hnh-thc-hoc-tap-ch-trong-cc-hoat-dng-trihtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: th-thcslythuongkietpgdsoctrangeduvnth-thcslythuongkietpgdsoctrangeduvnupload5874920180922597-_Ketích cuc da dang hóa các hình thúc hoc tap chú trong các hoat loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentspubreader039viewer20220403125dd0fccfd6be591ccb63ac1bhtml5thumbnails12jpg width=140 height=200 adivdiv