阅读下列说明，回答下列问题。
[说明]
某商店为购买不同数量商品的顾客报出不同的价格，其报价规则如表1所示。
表1 不同数量商品对应的单价
如买11件需要支付10×30+1×27=327元，买35件需要支付10×30+10×27+10×25+5×22=930元。
现为该商家开发一个软件，输入为商品数C(1＜=C＜=100)，输出为应付的价钱P。
3、列举除了等价类划分法和边界值分析法以外的三种常见的黑盒测试用例设计方法。
正确答案及解析
正确答案
解析
错误推测法，因果图法，判定表驱动法，正交试验法，功能图法。
【解析】
第三小题考查黑盒测试的基本概念。
黑盒测试方法除了等价类划分法和边界值分析法之外，还包括错误推测法，因果图法，判定表驱动法，正交试验法，功能图法等。
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