Page 91 - NUMINO Challenge_B2
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Type 10-1 Applications of One-Line Drawing

The shapes below cannot be drawn with one-line drawing. Draw the
least number of lines to make one-line drawing possible.

1 How many odd-points are needed for one-line drawing?
2 Find all the odd-points. How many are there?

3 Draw the least number of lines to make one-line drawing possible.

88 NUMINO Challenge B2
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