div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documenthow-to-solve-it-a-new-aspect-of-mathematical-method-university-press-1988-princetonhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · How to solve it: A new aspect of Mathematical Method University Press 1988 Princeton Pamela Liebeck How Children Learn Mathematics Pelican Group 1984 Williams E and Shuard loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220422195ec4f32660d60a099220fb7ehtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documenthow-to-solve-it-a-new-aspect-of-mathematical-method-university-press-1988-princetonhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · How to solve it: A new aspect of Mathematical Method University Press 1988 Princeton Pamela Liebeck How Children Learn Mathematics Pelican Group 1984 Williams E and Shuard loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220422195ec4f32660d60a099220fb7ehtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documenthow-to-solve-it-a-new-aspect-of-mathematical-method-university-press-1988-princetonhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · How to solve it: A new aspect of Mathematical Method University Press 1988 Princeton Pamela Liebeck How Children Learn Mathematics Pelican Group 1984 Williams E and Shuard loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...