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【单选题】
选择下列输入的运行结果fa[x_]:=x+2;A={{1,2},{3,4}};{fa[{3,5}],fa[A-3]}
A.
{{3,5},{{1,2},{3,4}}}
B.
{{5,7},{{0,1},{2,3}}}
C.
{{3,5},{{0,1},{2,3}}}
D.
{{5,7},{{1,2},{3,4}}}
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参考答案:
举一反三
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A.
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B.
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D.
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A.
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B.
一般学习策略
C.
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D.
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proved
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is proving
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