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2017年甘肃省张掖市中考数学试卷【精品文档】

---- 2017 10 3 30 13 A B C D 23 2016 10 17 7 30 28 393000 393000 A39.3104 B3.93105 C3.93106 D0.393106 33 4 A16 B2 C2 D 43 A B C D 53 Ax2+x2=x4 Bx8x2=x4 Cx2x3=x6 Dx2x2=0 63 1=452 A115B120C135D145 1 27 73 y=kx+b Ak0b0 Bk0b0 Ck0b0 Dk0b0 83 abc ABC |a+bc||cab| A2a+2b2c B2a+2b C2c D0 93 32m 20m 570m2 xm A322x20x=570 B32x+220x=3220570 C32x20x=3220570 D32x+220x2x2=570 103 4 ABCD P 2cm A ABBC C P PQBDPQ AD CD QPQ ycm P x P 2.5 PQ A B C D 2 27 8 3 24 113 x22x+1= 123 0.5 0.5= 133 m n c m2015+2016n+c2017 143 ABC OOAB=32C= 153 x k1x2+4x+1=0 k 163 ABCC=90AC=8cmBC=6cm A B cm 173 ABC ACB=90AC=1AB=2 A AC AB D CD 183 1 5 2 2017 3 27 5 26 194 3tan30+40 1 204 216 ABCABC EF 226 AB D DAC=45 DBC=65 AB=132 D AC 1 sin650.91cos650.42tan652.14 236 12 12 12 1 2 4 27 5 40 247 3000 200 x 50x60 10 0.05 60x70 30 0.15 70x80 40 n 80x90 m 0.35 90x100 50 0.25 1m= n= 2 3 200 4 90 90 3000 5 27 257 y=k1x+b y= P 8Q4m x A 1 2 P P' 3P'AO 268 ABCD AB=6BC=4 BD O ABCD EF 1 BEDF 2 BEDF EF 278 AN M NBx AB M C 1 A06N02ABN=30 B 2 D NB CD M 6 27 2810 y=ax2+bx+4 x B20 C80 y A 1 y=ax2+bx+4 2 ACAB N BC BC N NMAC AB MAMN N 3 OM2 OM AC 7 27 2017 10 3 30 13 2017 A B C D A B C D B 23 20172016 10 17 7 30 28 393000 393000 A39.3104 B3.93105 C3.93106 D0.393106 393000=3.93105 B 33 20174 A16 B2 C2 D 22=4 4 2 C 8 27 43 2017 A B C D D 53 2017 Ax2+x2=x4 Bx8x2=x4 Cx2x3=x6 Dx2x2=0 A=2x2 A B=x6 B C=x5 C D=x2x2=0 D D 63 20171=452 A115B120C135D145 3=90+1=90+45=135 2=3=135 C 9 27 73 2017 y=kx+b Ak0b0 Bk0b0 Ck0b0 Dk0b0 y=kx+b k0 y b0 k0b0 A 83 2017 abc ABC |a+bc||c ab| A2a+2b2c B2a+2b C2c D0 abc ABC a+bc0cab0 =a+bc+cab =0 D 93 2017 32m 20m 10 27 570m2 xm A322x20x=570 B32x+220x=3220570 C32x20x=3220570 D32x+220x2x2=570 xm322x20x=570 A 103 2017 4 ABCD P 2cm A ABBC C P PQ BDPQ AD CD QPQ ycm P x P 2.5 PQ A B C D P 2.5 P 5cm CP=85=3cm PQ= =3 cm B 8 3 24 113 2017x22x+1= x12 x22x+1=x12 11 27 123 2017 = 0.5= 20 0 0.5 = 0.5 0.5 133 2017 m n c m2015+2016n+c2017 0 m=1n=0c=1 =12015+20160+12017=0 0 143 2017ABC OOAB=32C= 58 OB OA=OB AOB OAB=OBA OAB=32 OAB=OAB=32 AOB=116 C=58 58 12 27 15

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