div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=diversity-dates-back-to-1972-and-the-second-international-congress-on-mathematicalhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: paginesuabcatpaginesuabcatnuria_planassitespaginesuabcatnuria_planas · language diversity dates back to 1972 and the second International Congress on Mathematical Education loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsusreader031viewer20220304095a9295e17f8b9ad96f8b72fahtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=diversity-dates-back-to-1972-and-the-second-international-congress-on-mathematicalhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: paginesuabcatpaginesuabcatnuria_planassitespaginesuabcatnuria_planas · language diversity 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Mathematical Education loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsusreader031viewer20220304095a9295e17f8b9ad96f8b72fahtml5thumbnails12jpg width=140 height=200 divdiv
