div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=84-88-idciitbacin-advance-usran-conpuergraphs-specvpzqchtmlpage=1 data-page=1 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220119085f64b039fcb04a78ae4d1892html5thumbnails1jpg width=140 height=200 divdiv