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ǰλãҳ > 海淀区高三年级第一学期期末练习数学(理科)及答?- 百度文库

海淀区高三年级第一学期期末练习数学(理科)及答?- 百度文库

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  • 2025/5/25 16:06:18

a4=10ʱa3=9ʱa2=87.

a2=81=10-9,1=9-8,18=9+9,18=10+8*ì. a2=7a1=65.֪A={6,7,9,10}A={5,7,9,10}

M={1,2,3,L,19}4Ԫףì.

a4=11ʱa3=8ʱa2=7a1=6֪A={6,7,8,11}

M={1,2,3,L,19}4Ԫףì.

a4=12ʱa3=7ʱa2=6a1=5֪A={5,6,7,12}

M={1,2,3,L,19}4Ԫףì.

a4=13ʱa3=6a2=5a1=4֪A={4,5,6,13}

M={1,2,3,L,19}4Ԫףì.

a4=14ʱa3=5a2=4a1=3֪A={3,4,5,14}

M={1,2,3,L,19}4Ԫףì.

a4=15ʱa3=4a2=3a1=2֪A={2,3,4,15}

M={1,2,3,L,19}4Ԫףì.

a4=16ʱa3=3a2=2a1=1֪A={1,2,3,16}

M={1,2,3,L,19}4Ԫףì.

a4317ʱAM4Ԫ.

m=5ʱMһA={1,3,5,9,16}{3,7,8,9,10}{4,7,8,9,10}ȣֻҪдһ.

ϣmСֵΪ5. 14

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a4=10ʱa3=9ʱa2=87. a2=81=10-9,1=9-8,18=9+9,18=10+8*ì. a2=7a1=65.֪A={6,7,9,10}A={5,7,9,10}M={1,2,3,L,19}4Ԫףì. a4=11ʱa3=8ʱa2=7a1=6֪A={6,7,8,11}M={1,2,3,L,19}4Ԫףì. a4=12ʱa3=7ʱa2=6a1=5֪A={5,6,7,12}M={1,2,3,L,19}4Ԫףì. a4=13ʱa3=6a2=5a1=4֪A={4,5,6,13}M={1,2,3,L,19}4Ԫףì.

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