2022年黑龙江省高考文科数学一模试卷及答案解析

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2022
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419.(12ᑖ)%&ᦪ/(x)=\x-a\+\x+2\(oGR).(1)஺=1qs/(x)Ḅ`t(2)0,1,s/(x)W|x+4|ឤᡂ,qᦪaḄ.*5⚓ᐳ18⚓

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722.(12ᑖ)%&ᦪ/(x)=ax--—a,aCR.(1)?x=l/(x)Ḅ᩽q஺³´µz(X)Ḅᓫ¸ឋ;(2)?lVx

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