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小儿打工--[讨论]
说一小儿打工,两小时内收38$,两小时外每小时收19$,现打两份不同的工,问共做了几小时?
1. 第一份工挣了38$
2. 共挣了114$
[答案]C
I think the answer should be E.
Even if two conditions are combined, you don't know how long the guy spent on the first job, 1 or 2 hours. |
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