https://padlet.com/supavadee1/2dmcx607b0uait5m คณิตศาสตร์พื้นฐาน 4 en-us 2021-09-06 02:22:28 UTC 2022-02-03 05:38:22 UTC hello@padlet.com https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026741066 2022-02-03 04:08:05 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026741066 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026745468 2022-02-03 04:12:18 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026745468 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026749451 2022-02-03 04:16:16 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026749451 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026749582 2022-02-03 04:16:24 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026749582 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026750105 2022-02-03 04:16:57 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026750105 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026750634 2022-02-03 04:17:33 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026750634 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026751354 2022-02-03 04:18:16 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026751354 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026751893 2022-02-03 04:18:49 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026751893 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026752734 2022-02-03 04:19:41 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026752734 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026753324 2022-02-03 04:20:16 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026753324 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026753585 2022-02-03 04:20:31 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026753585 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026754638 2022-02-03 04:21:42 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026754638 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026756532 2022-02-03 04:23:31 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026756532 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026757581 2022-02-03 04:24:03 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026757581 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026757888 1+2+3+4+5=15
1+2+3+…..+10=55
1+2+3+…..+51=1326 ใช้สูตร n(n+1) หาร2
1+2+3+……+100=5050ใช้สูตร n(n+1) หาร2

]]> 2022-02-03 04:24:24 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026757888 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026758234 2022-02-03 04:24:49 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026758234 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026760032 2022-02-03 04:26:03 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026760032 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026760290 2022-02-03 04:26:20 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026760290 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026765747 2022-02-03 04:31:13 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026765747 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026768343 2022-02-03 04:33:58 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026768343 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026769684 2022-02-03 04:35:24 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026769684 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026771271 2022-02-03 04:37:04 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026771271 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026779570 2022-02-03 04:45:28 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026779570 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026780170 2022-02-03 04:46:08 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026780170 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026781708 2022-02-03 04:47:42 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026781708 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026781740 2022-02-03 04:47:44 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026781740 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026782004 2022-02-03 04:48:02 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026782004 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026782025 2022-02-03 04:48:03 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026782025 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026791778 2022-02-03 04:55:01 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026791778 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026801653 2022-02-03 05:03:29 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026801653 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026819764 2022-02-03 05:22:32 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026819764 https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026833527 2022-02-03 05:38:22 UTC https://padlet.com/supavadee1/2dmcx607b0uait5m/wish/2026833527