div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document84-88-idciitbacin-advance-usran-conpuergraphs-specvpzqchtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: 84-88 - idciitbacin · advance usraþn conpuergraphþs specvpzqþc praþc p7þc proþc Aids for teaching basic concepts in mathematics to children Dipti loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader031fdocumentsusreader031viewer20220119085f64b039fcb04a78ae4d1892html5thumbnails1jpg width=140 height=200 divdiv