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Intermediate

The common focus

A parabola, its symmetry axis and a tangent. Yellow connects the focus to the intersection point. Red connects the focus to the tangency point. What’s yellow : red?

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Solution

Yellow : red is 1 : 1.

Solution by Okazaki Tomoya.

Poem

The common focus
Is may be to improve efforts
It can be very varied
For each of us
A lifelong journey
With our encounters
Our achievments,
Failures
Our experiences
In the real
And virtual world
Building skills
And consensus
Just succeeding in living together
A huge project

Bella

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