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程序: 指令的集合

程序: 指令的集合. 程序:. 输入. (处理). 输出. PRINT. 举例:. 如果一辆汽车 1 小时行驶 75 千米,那么 3 小时行驶多少千米?. DIM v AS INTEGER DIM t AS INTEGER DIM s AS INTEGER. 路程 = 速度 × 时间. 输入. 速度、时间. v=75 t=3. (处理). 速度 × 时间. s=v*t. 输出. 路程. PRINT s. SLEEP END. 举例:. 如果一辆汽车 1 小时行驶 75 千米,那么 3 小时行驶多少千米?. DIM v AS INTEGER

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程序: 指令的集合

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  1. 程序:指令的集合 程序: 输入 (处理) 输出 PRINT

  2. 举例: 如果一辆汽车1小时行驶75千米,那么3小时行驶多少千米? DIM v AS INTEGER DIM t AS INTEGER DIM s AS INTEGER 路程=速度×时间 输入 速度、时间 v=75 t=3 (处理) 速度×时间 s=v*t 输出 路程 PRINT s SLEEP END

  3. 举例: 如果一辆汽车1小时行驶75千米,那么3小时行驶多少千米? DIM v AS INTEGER DIM t AS INTEGER DIM s AS INTEGER v=75 t=3 s=v*t PRINT s SLEEP END 思考 5小时行驶多少千米? t=5 求7小时、10小时、56小时……

  4. 键盘输入语句 DIM v AS INTEGER DIM t AS INTEGER DIM s AS INTEGER v=75 INPUTt s=v*t PRINT s SLEEP END INPUT “请输入速度:”,v INPUT “请输入速度和时间:”,v,t INPUT “请输入时间:”,t

  5. 练习 回收1吨废纸可以造出850千克再生纸,编写程序计算回收废纸36吨、500吨、20000吨、400000吨能造出多少千克再生纸? 思考:若回收了5000000吨能造出多少千克再生纸?你的结果正确吗?为什么? 作业:P37页习题22-1,2-2,2-3

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