问题
判断题
因为SP所指栈顶为“实”栈顶，所以在入栈和出栈操作时都要先修改堆栈指针SP，再执行入栈、出栈操作。
答案
参考答案：错
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因为SP所指栈顶为“实”栈顶，所以在入栈和出栈操作时都要先修改堆栈指针SP，再执行入栈、出栈操作。
参考答案：错
| 阅读理解。 | |||||
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