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ǰλãҳ > 黑龙江省双鸭山一中高??期中数学试卷(理科) - 百度文库

黑龙江省双鸭山一中高??期中数学试卷(理科) - 百度文库

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ʱ߶MNijȡСֵ10֣

2⣺SxsySбʴڣ kAM=kASɵ

⣬ASM㹲ߣֱ

ͬɵã

ԣ=

yM0yN

ҽyM=yNʱȡ

3ɣ2֪MNȡСֵʱʱBSķΪ

ʱ߶MNijȡСֵ

11֣

ҪʹԲCϴڵTʹáTSBڣֻTֱBSľTƽBSBSֱl'x+y+t=0

ֱl'ϣ

ʱT

ΪTΪֱl'ԲCĽ㣬Ծü14֣

ǽֱԲ׶λùϵкܸӵĿ Ҫӵнϸߵ

̽תԼֱԲ׶λùϵнϺ ⣬ҷǿʤδĽ⹤һ͵⣬⣮

13 ҳ

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ʱ߶MNijȡСֵ10֣ 2⣺SxsySбʴڣ kAM=kASɵ⣬ASM㹲ߣֱͬɵã ԣ=yM0yNҽyM=yNʱȡ0ţ 3ɣ2֪MNȡСֵʱʱBSķΪ ʱ߶MNijȡСֵ 11֣ ҪʹԲCϴڵTʹáTSBڣֻTֱBSľTƽBSBSֱl'x+y+t=0ɵֱl'ϣ ʱT

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