Friday, 3 February 2017

Irene

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

4 comments:

  1. o=p+r+g+w
    r+r=p+d
    o=B+w
    r+t=d=p

    Ariadna

    ReplyDelete
  2. Ana:
    o=p+r+g+w=t+r=p+d=B+w

    ReplyDelete
  3. Irene S:
    o=b+w=p+r+g+w
    t+r=d+p

    ReplyDelete