我就問你正常嗎 2023-09-04 看到加減乘除就腦袋打結!! 數學課是學生時代共同夢魘?!

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TIP1: Try both Google Chrome and Firefox
TIP2: How well does your browser support HTML5?
TIP3: Try ctrl+F5 refresh your browser if you see "Video not found".
September 5, 2023
Tipster Rednimer