K3 at IST: Irene

Friday, 3 February 2017

Irene

Irene has made four pairs of trains, all the same length:

4 comments:

Unknown17 February 2017 at 11:01
o=p+r+g+w
r+r=p+d
o=B+w
r+t=d=p

Ariadna
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Anonymous19 February 2017 at 03:32
Ana:
o=p+r+g+w=t+r=p+d=B+w
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Anonymous19 February 2017 at 09:44
Irene S:
o=b+w=p+r+g+w
t+r=d+p
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Mr Gregg19 February 2017 at 12:56
Well done, everyone!
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