Report copyright - Book Hendese 11 shabemtehan · 2018. 5. 13. · ad ab-bc = ad-cd (y) ad-cd-ae-ec ad=ae+cd ec ad=ae+ed ade sad , =rrsin — a r = = x _ x-ry=r. , aa' d as bÂt Ê=ac b d ,oa-ob, abiicd
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