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GWD数学题(4)

Last year in a group of 30 businesses,21reported a net profit and 15 had investment  in a foreign market,How many of the businesses did not report a net invest in foreign markets last year?
1.last year 12 of the 30 businesses reported a net profit and had investments in foreign markets.
2.last year 24of the 30 businesses reported a net profit or invested in foreign markets,or both.
选项类似,答案是第二个成立,第一个不成立。
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回复 2# caicainiao


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Answer is D
我们最值得自豪的不在于从不跌倒,而在于每次跌倒之后都爬起来。

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