2018-2019ѧڶѧĩѧԾ
꼶ѧ
ע
Ծ120֣ʱΪ100.ڴ𣬷Ч. һѡ(10С⣬ÿС3֣30)
1.ĸͼУƽƱ任γɹ̵ǣ
A B C D
2.ƽֱϵУP(1,?5)ڣ Aһ
Bڶ
C
D
3.εΪ6εı߳Ϊ A2
B6
C2
D4
4.еУ˲ղ鷽ʽ( ) Aгѧ״ĵ Cÿϸǰİȫ
Bԡһڼγзʽĵ Dijֻصʹ
5.ͼλPֱ߹·MNС·̵ǣ
APA
BPB
CPC
DPD
6.a?bвʽһȷǣ A3a?3b
Bma?mb
C?a?1??b?1
D
ab?1??1 227.ͼֱcֱaཻڵAֱbཻڵB?1?130??2?60?.Ҫʹֱab轫ֱaƵA˳ʱ뷽ת
A10?
B20?
C60?
D130?
8.һأƽֱϵУκһԪһη̵ĽԿһ꣬ôԶԪһη̵ĽΪĵȫԪһη̵ͼͼǷ֣κһԪһη̵ͼһֱߡۣͼһʾxyĶԪһη
?a1x?b1y?c1Ľ⣬ôǣ ?ax?by?c?222
AM
BN
CE
DF
9.Ƕһʵab㣬涨ab?4a?3b磺56?4?5?3?6.m
m2?0m??8? ?0mȡֵΧǣ
Am?3 2Bm??2 C?6?m?3 2D
3?m?2 210.ͼƽֱϵУһԭOżͷʾÿƶһλεõP3(1,0)P5(2,?1)P1(0,1)P2(1,1)P4(1,?1)P6(2,0)P2019ǣ
A(672,0)
B(673,1)
C(672,-1)
D(673,0)
⣨8С⣬ÿС3֣24֣ 11.3෴.
12.3x?2y?6?0Ϊúxʽӱʾyy?.
13.ͼ258ʾϣͼбʾĽ⼯.
14.ͼһֱĵȿֽ۵?aĶΪ.
15.ijУչ(1)ͬѧ룬ֽƳƵֱֲͼ(ͼʾ)3.5-4.5ռ30%ô4.5-5.5.
16.ѧҳơΪ㾭֮\һļأΪ5ֻȸ6ֱֻ࣬ۼһأƵȸأᣬһֻȸһֻཻλãȣ5ֻȸ6ֻһΪ1ȸÿ1ֻضٽ?ȸÿֻxÿֻyзΪ. 17.֪??x?1?mx?ny?7ǶԪһη?Ľ⣬2m?nֵΪ.
?y?3?mx?my?118.֪ͼABCD?ABE?40?CFƽ?ECDCFBE?ECDĶΪ.
⣨7С⣬66֣ 19.ⷽͲʽ 1ⷽ??3x?4y?16
5x?6y?33??5x?3?2x?2ⲻʽ?3x?1ѽ⼯ʾ.
?4??220.֤.