https://desm1638.wixsite.com/chedu/blogRSS for NodeFri, 12 Jun 2026 08:17:02 GMThttps://desm1638.wixsite.com/chedu/single-post/2017/12/06/the-right-triangle-and-the-circle5fd8c2b6bb6a1e0018f771bcWed, 06 Dec 2017 17:58:49 GMTCourse Hackerhttps://desm1638.wixsite.com/chedu/single-post/2017/11/29/hundred-fowls-problem5fd8c2b6bb6a1e0018f771bdWed, 29 Nov 2017 18:26:41 GMTCourse Hackerhttps://desm1638.wixsite.com/chedu/single-post/2017/11/22/sangaku-three-circle-problem5fd8c2b6bb6a1e0018f771bbWed, 22 Nov 2017 19:01:19 GMTCourse Hackerhttps://desm1638.wixsite.com/chedu/single-post/2017/11/08/sums-of-intercepts5fd8c2b6bb6a1e0018f771b9Thu, 09 Nov 2017 00:31:32 GMTCourse Hackerhttps://desm1638.wixsite.com/chedu/single-post/2017/11/01/the-venturimeter5fd8c2b6bb6a1e0018f771baWed, 01 Nov 2017 17:57:31 GMTCourse Hackerhttps://desm1638.wixsite.com/chedu/single-post/2017/10/16/reed-in-the-pond5fd8c2b6bb6a1e0018f771b8Mon, 16 Oct 2017 18:48:18 GMTCourse Hackerhttps://desm1638.wixsite.com/chedu/single-post/2017/10/12/the-product-of-two-negative-numbers5fd8c2b6bb6a1e0018f771beFri, 13 Oct 2017 06:50:19 GMTCourse Hackerhttps://desm1638.wixsite.com/chedu/single-post/2017/09/05/featuring-unboring-problem-of-the-week5fd8c2b6bb6a1e0018f771bfTue, 05 Sep 2017 09:35:00 GMTCourse Hacker