div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader043fdocumentsplreader043viewer20220409195e94e6f5082b7959d1480f37html5page1jpg target=_blank img data-url=document-cu-31-dao-dng-ca-mot-vat-l-tng-hqp-ca-hai-dao-dqng-diu-ha-cnghtmlpage=1 data-page=1 class=trans-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsplreader043viewer20220409195e94e6f5082b7959d1480f37html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader043fdocumentsplreader043viewer20220409195e94e6f5082b7959d1480f37html5page2jpg target=_blank img data-url=document-cu-31-dao-dng-ca-mot-vat-l-tng-hqp-ca-hai-dao-dqng-diu-ha-cnghtmlpage=2 data-page=2 class=trans-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsplreader043viewer20220409195e94e6f5082b7959d1480f37html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader043fdocumentsplreader043viewer20220409195e94e6f5082b7959d1480f37html5page3jpg target=_blank img data-url=document-cu-31-dao-dng-ca-mot-vat-l-tng-hqp-ca-hai-dao-dqng-diu-ha-cnghtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: staticthanhnienvnCâu 31: Dao dêng cùa mot vat là tðng hqp cùa hai dao dQng diêu hòa cùng...