Себетіңіз бос
Thirsty card trick
I bet I can balance a plastic card on the rim of a glass full of water, and I can even place some coins on the overhanging part of the card without the card tipping over.
Физика
7 – 12. сыныптар
Автор: Stonawski Tamás
Корректор: Dr. Sós Katalin
mozaLink
/Веб-линк