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- いいね！0
Yoshiaki Araki 荒木義明
@alytile
4×3 #howtocount #visualproof pic.twitter.com/a6WZ7jxVV4
2022-01-10 18:42:36
拡大
Yoshiaki Araki 荒木義明
@alytile
3×4 #howtocount #visualproof pic.twitter.com/T0uERD0gR0
2022-01-10 18:43:07
拡大
Vincent Pantal🍩ni
@panlepan
@alisonkiddle 60=3*5*4. I first saw the 12 overlapping hexagons then chose the trapeziums to avoid a miscalculation of the intersections. But it could as well be 12*5 actually. pic.twitter.com/kDiIDIlrvU
2021-12-24 16:44:41
拡大