https://chemzanyatsa.com/iz-dannih-chisel-sostavit-2-ravenstva-i-2-neravenstva-7-8-13-6-21.html https://chemzanyatsa.com/images/rss.png https://chemzanyatsa.com/iz-dannih-chisel-sostavit-2-ravenstva-i-2-neravenstva-7-8-13-6-21.html Sun, 10 Feb 2013 11:43:38 +0400 https://chemzanyatsa.com/iz-dannih-chisel-sostavit-2-ravenstva-i-2-neravenstva-7-8-13-6-21.html#c317 https://chemzanyatsa.com/iz-dannih-chisel-sostavit-2-ravenstva-i-2-neravenstva-7-8-13-6-21.html#c317 Из данных чисел составить 2 равенства и 2 неравенства 7, 8, 13, 6, 21. https://chemzanyatsa.com/iz-dannih-chisel-sostavit-2-ravenstva-i-2-neravenstva-7-8-13-6-21.html#c317