div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=cho-m-l-dim-nm-trong-tam-gic-abc-sao-cho-mab-mbc-mca-a-bi-279-chohtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: hoc360net€¦ · Cho M là diêm näm trong tam giác ABC sao cho MAB = MBC = MCA a Bài 279 Cho tam giác ABC có — b 1 Chúng minh räng 2 cot A m cot B -k cot C P — loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentspubreader030viewer20220404075eac552471c549280e4f8edbhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=cho-m-l-dim-nm-trong-tam-gic-abc-sao-cho-mab-mbc-mca-a-bi-279-chohtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: hoc360net€¦ · Cho M là diêm näm trong tam giác ABC sao cho MAB = MBC = MCA a Bài 279 Cho tam giác ABC có — b 1 Chúng minh räng 2 cot A m cot B -k cot C P — loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentspubreader030viewer20220404075eac552471c549280e4f8edbhtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=cho-m-l-dim-nm-trong-tam-gic-abc-sao-cho-mab-mbc-mca-a-bi-279-chohtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: hoc360net€¦ · Cho M là diêm näm trong tam giác ABC sao cho MAB = MBC = MCA a Bài 279 Cho tam giác ABC có — b 1 Chúng minh räng 2 cot A m cot B -k cot C P — loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentspubreader030viewer20220404075eac552471c549280e4f8edbhtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=cho-m-l-dim-nm-trong-tam-gic-abc-sao-cho-mab-mbc-mca-a-bi-279-chohtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: hoc360net€¦ · Cho M là diêm näm trong tam giác ABC sao cho MAB = MBC = MCA a Bài 279 Cho tam giác ABC có — b 1 Chúng minh räng 2 cot A m cot B -k cot C P — loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentspubreader030viewer20220404075eac552471c549280e4f8edbhtml5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=cho-m-l-dim-nm-trong-tam-gic-abc-sao-cho-mab-mbc-mca-a-bi-279-chohtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: hoc360net€¦ · Cho M là diêm näm trong tam giác ABC sao cho MAB = MBC = MCA a Bài 279 Cho tam giác ABC có — b 1 Chúng minh räng 2 cot A m cot B -k cot C P — loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentspubreader030viewer20220404075eac552471c549280e4f8edbhtml5thumbnails5jpg width=140 height=200 divdiv