1, amfani da aikin ƙoƙon: ruwan sha, ajiyar ruwa, ajiyar ruwa, tsarin furanni, kiwon kwari, kiwon kifi, saka alƙalami, haɗawa (saka abubuwa a cikin kofin hadawa ko girgiza), fiye da ƙara;2, da amfani da gilashin gilashin Tantancewar Properties: kasan kofin a matsayin concave da c ...
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