div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentspubreader043viewer20220409195e94e6f5082b7959d1480f37html5page1jpg target=_blank img data-url=-cu-31-dao-dng-ca-mot-vat-l-tng-hqp-ca-hai-dao-dqng-diu-ha-cnghtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: staticthanhnienvnCâu 31: Dao dêng cùa mot vat là tðng hqp cùa hai dao dQng diêu hòa cùng phuong cùng tân so 5 1-IZ vói các biên dQ 6 cm và 8 cm Biêt hai dao loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentspubreader043viewer20220409195e94e6f5082b7959d1480f37html5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentspubreader043viewer20220409195e94e6f5082b7959d1480f37html5page2jpg target=_blank img data-url=-cu-31-dao-dng-ca-mot-vat-l-tng-hqp-ca-hai-dao-dqng-diu-ha-cnghtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: staticthanhnienvnCâu 31: Dao dêng cùa mot vat là tðng hqp cùa hai dao dQng diêu hòa cùng phuong cùng tân so 5 1-IZ vói các biên dQ 6 cm và 8 cm Biêt hai dao loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentspubreader043viewer20220409195e94e6f5082b7959d1480f37html5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader043vdocumentspubreader043viewer20220409195e94e6f5082b7959d1480f37html5page3jpg target=_blank img data-url=-cu-31-dao-dng-ca-mot-vat-l-tng-hqp-ca-hai-dao-dqng-diu-ha-cnghtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: staticthanhnienvnCâu 31: Dao dêng cùa mot vat là tðng hqp cùa hai dao dQng diêu hòa cùng phuong cùng tân so 5 1-IZ vói các biên dQ 6 cm và 8 cm Biêt hai dao loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentspubreader043viewer20220409195e94e6f5082b7959d1480f37html5thumbnails3jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imagea href=https:reader043vdocumentspubreader043viewer20220409195e94e6f5082b7959d1480f37html5page4jpg target=_blank img data-url=-cu-31-dao-dng-ca-mot-vat-l-tng-hqp-ca-hai-dao-dqng-diu-ha-cnghtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: staticthanhnienvnCâu 31: Dao dêng cùa mot vat là tðng hqp cùa hai dao dQng diêu hòa cùng phuong cùng tân so 5 1-IZ vói các biên dQ 6 cm và 8 cm Biêt hai dao loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentspubreader043viewer20220409195e94e6f5082b7959d1480f37html5thumbnails4jpg width=140 height=200 adivdiv