Comments | ibigdan: Разминка для мозга

ibigdan

Jan 28, 2013 07:40

( Read more... )

Comments 15

kl001 January 28 2013, 05:44:31 UTC

20 психов?

uvazhaemyi_dk January 28 2013, 05:47:07 UTC

demitsan January 28 2013, 05:54:46 UTC

Точно - 20.

mr_bankin January 28 2013, 05:56:22 UTC

Уже была тут такая задачка.

barzel January 28 2013, 06:01:21 UTC

Точно 20 7x=2x+100....->x=20