div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=cho-lnh-chp-du-sabc-c-dy-abc-l-tam-gic-du-canh-bng-a-canh-bnhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: congthuceduvncongthuceduvnwp-contentuploads201810bo-cong-thuc-toan-lop-12-on · Cho lùnh chóp dèu SABC có dáy ABC là tam giác dèu canh bàng a canh bên bàng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentspubreader031viewer20220404185dd070f806d5421854452858html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=cho-lnh-chp-du-sabc-c-dy-abc-l-tam-gic-du-canh-bng-a-canh-bnhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: congthuceduvncongthuceduvnwp-contentuploads201810bo-cong-thuc-toan-lop-12-on · Cho lùnh chóp dèu SABC có dáy ABC là tam giác dèu canh bàng a canh bên bàng 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src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentspubreader031viewer20220404185dd070f806d5421854452858html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=cho-lnh-chp-du-sabc-c-dy-abc-l-tam-gic-du-canh-bng-a-canh-bnhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: congthuceduvncongthuceduvnwp-contentuploads201810bo-cong-thuc-toan-lop-12-on · Cho lùnh chóp dèu SABC có dáy ABC là tam giác dèu canh bàng a canh bên bàng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentspubreader031viewer20220404185dd070f806d5421854452858html5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg 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src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentspubreader031viewer20220404185dd070f806d5421854452858html5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=cho-lnh-chp-du-sabc-c-dy-abc-l-tam-gic-du-canh-bng-a-canh-bnhtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: congthuceduvncongthuceduvnwp-contentuploads201810bo-cong-thuc-toan-lop-12-on · Cho lùnh chóp dèu SABC có dáy ABC là tam giác dèu canh bàng a canh bên bàng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentspubreader031viewer20220404185dd070f806d5421854452858html5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg 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