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2.56
2024-10-24
sicp每日一题[2.56]
Exercise2.56Showhowtoextendthebasicdifferentiatortohandlemorekindsofexpressions.Forinstance,implementthedifferentiationruled(x^n)/dx=nx^(n-1)byaddinganewclausetothederivprogramanddefiningappropriateproceduresexpone