2026-03-27
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會考好棒棒群
am 10:38:24
wyork507@tg
有一個正方形ABCD,在 E、F 各平分AB、AC,連接EF。
為什麼把AB折到EF上,會得到 30, 60, 90的三角形?
am 10:38:31
wyork507@tg
@koru1130
am 11:10:06
wyork507@tg
我剛剛搞懂了
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