ZHAO YIN 赵胤
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zhaoyin.bsky.social
ZHAO YIN 赵胤
@zhaoyin.bsky.social
11 followers 10 following 3 posts
PhD in Mathematics Education
High school maths teacher in Beijing, P.R.C
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zhaoyin.bsky.social
7×(8-4)=28
February 21, 2025 at 5:04 AM
zhaoyin.bsky.social
Construct parallel chords and then solve using the Pythagorean theorem, the answer is 25.
February 21, 2025 at 4:31 AM
zhaoyin.bsky.social
Construct parallel chords and then solve using the Pythagorean theorem, the answer is 25.
February 20, 2025 at 6:47 PM