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Figure 2 shows a sample Calc document.
图2显示了一个简单的Calc文档。
Turns out high school isn't really all that tough to figure out after all -- so long as you can pass pre-calc.
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Android smartphone users can try Kids Shopping Calc, which teaches budgeting by shopping in a virtual store with a set amount of money.
WSJ: Making Young Kids Smarter About Finance
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