Which is longer?

from Noriyuki Morimoto, originally released 16th April, 2012

Since the emergence (mm unit, cm, m, km various) in length more than one group of 2 (A, B) to
Quiz format is a game of hit the group with more that the sum (B or A).

When you thought long and total length of the latter group of A, please press the "A> B" button at the bottom left....

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