抄録
In our previous paper we have an invariable among the bends of the touching circles, and to show that the extension⁽¹⁰¹⁾.
Later, we applied Wilkey's Theorem⁽¹⁶⁾ 一 which is an extension of the Decartes Circle Theorem⁽¹⁾一 to this result, we have an interesting theorem⁽¹⁰¹⁾. And we show that a part of this result corresponds to Sir Frederick Soddy's "The Hexlet⁽¹⁴⁾".
The main object of this paper are as follows:
(1) Wasan experts are haven't the notion of bends
and
(2) Considerations for the concerning literatures.
