div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader039vdocumentscoreader039viewer20220218135884c3711a28ab34778b7351html5page1jpg target=_blank img data-url=sumo-o-multiplicohtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Sumo o multiplico loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentscoreader039viewer20220218135884c3711a28ab34778b7351html5thumbnails1jpg width=140 height=200 adivpCada uno de los 7 amigos de Juan tienenp pcoincidentemente 15 años ¿Qué edad tienenp pen total los amigos de Juanpdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader039vdocumentscoreader039viewer20220218135884c3711a28ab34778b7351html5page2jpg target=_blank img data-url=sumo-o-multiplicohtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Sumo o multiplico loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentscoreader039viewer20220218135884c3711a28ab34778b7351html5thumbnails2jpg width=140 height=200 adivp¿Qué hacemosp p15 + 15 + 15 + 15 + 15 + 15 + 15pdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader039vdocumentscoreader039viewer20220218135884c3711a28ab34778b7351html5page3jpg target=_blank img data-url=sumo-o-multiplicohtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Sumo o multiplico loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader039vdocumentscoreader039viewer20220218135884c3711a28ab34778b7351html5thumbnails3jpg width=140 height=200 adivp15 x 7p p105pdiv