div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentscibsruacthscibsruacthsciwebe-magazine17-1chapter-5pdf-advanced-sciencehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: scibsruacthscibsruacthsciwebe-magazine17-1chapter-5pdf · Advanced Science Vol 17 No 1 January — June 2017 3 The mathematical academic achievement of ninth grade loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220407045e0114f9f17a0d78574cf198html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentscibsruacthscibsruacthsciwebe-magazine17-1chapter-5pdf-advanced-sciencehtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: scibsruacthscibsruacthsciwebe-magazine17-1chapter-5pdf · Advanced Science Vol 17 No 1 January — June 2017 3 The mathematical academic achievement of ninth grade loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220407045e0114f9f17a0d78574cf198html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentscibsruacthscibsruacthsciwebe-magazine17-1chapter-5pdf-advanced-sciencehtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: scibsruacthscibsruacthsciwebe-magazine17-1chapter-5pdf · Advanced Science Vol 17 No 1 January — June 2017 3 The mathematical academic achievement of ninth grade loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsinreader030viewer20220407045e0114f9f17a0d78574cf198html5thumbnails3jpg width=140 height=200...