#tsdsc2023 #apdsc2023 #dsc #tstet #aptet #dscscience #7thclassscience #7thscience #dsc @madhueducationalhubru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-3mhV8hjcGw8.htmlsi=q0Nukd5bSAvTYwoG
28 сен 2023