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  <author_name>rsakamot</author_name>
  <author_url>https://blog.hatena.ne.jp/rsakamot/</author_url>
  <blog_title>さかもとのブログ</blog_title>
  <blog_url>https://rskmt.hateblo.jp/</blog_url>
  <categories>
    <anon>SICP</anon>
  </categories>
  <description>演習問題3.81, 3.82はパスする． 例題が動くよう，random-numberを，簡単だけど，作ってみた． ;;section3.5.5 (load &quot;./stream.scm&quot;) (use srfi-27) (define (average-int a b) (quotient (+ a b) 2)) (define random-numbers (cons-stream 1 (stream-map (lambda (n) (+ 1 (random-integer (average-int 100 n)))) random-numbers))) (stream-ref-print ra…</description>
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  <image_url></image_url>
  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2009-06-18 19:08:29</published>
  <title>SICP3.5.5節</title>
  <type>rich</type>
  <url>https://rskmt.hateblo.jp/entry/20090618/1245319709</url>
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