куча интерактивных математических штук
http://nlvm.usu.edu/

Мне нравятся их весы для уравнений:
http://nlvm.usu.edu/en/nav/frames_asid_201_g_3_t_2.html?open=instructions&from=topic_t_2.html
особенно вариант с шариками для отрицательных чисел:
http://nlvm.usu.edu/en/nav/frames_asid_324_g_3_t_2.html?open=instructions&from=topic_t_2.html
This account has disabled anonymous posting.
If you don't have an account you can create one now.
HTML doesn't work in the subject.
More info about formatting

March 2017

S M T W T F S
   1234
5678 91011
12131415161718
1920212223 2425
262728293031 

Most Popular Tags

Style Credit

Expand Cut Tags

No cut tags
Page generated Jul. 14th, 2025 02:19 am
Powered by Dreamwidth Studios