https://padlet.com/gr_pirro/ngmsyra16n2g caratteristiche dei quadrilateri en-us 2017-09-19 14:52:18 UTC 2017-09-19 15:31:41 UTC hello@padlet.com gr_pirro https://padlet.com/gr_pirro/ngmsyra16n2g/wish/188932556 quadrilateri con i lati a due a due congruenti e paralleli, gli angoli opposti ]]> 2017-09-19 15:02:10 UTC https://padlet.com/gr_pirro/ngmsyra16n2g/wish/188932556