學年湖省武漢市陽區七年第一學期中數學試卷一選題共10小題）A

BCD23A4B21D1.496A1.496

B14.96108

C10

D1.496x2+3xA51B53050D3A3a22

1B2x3x2x52

D+3a3x

yx

y

n

m+n2021

A1BC1D2021x+xax3bx+1A2018BC2020D6|a6|AC

BD1616

A152536D10

23

22+22+2

2422

+225505129921002aaA2a2B22C2Da2二填題共6小，每題分共18分）11a2021

120.011333+22xm+2x2+BB14a1cm

cm15BCab+①0②+c0③cb④

116129a三解題共72分）171+2

233[221]181x9x+112191x

2+42+2x2+32x12x2+27x3y2xy+722209103+3+521202.69101211xy221m2

50221632①1416②

1533③1①nn2②③①39231②30x301①②

xx250①②3x①24A46A2BP2At

1tPBt

①PBPt

②At

3PAQ1BA

2599n123ba

m

參考答案一選題本題10小題每小3分，分A

BCDD23A4B21D21412|411.496A1.496

B14.96108

C10

D1.496a

n

1a10n1n1.496Dx2+3xA51B53050D3

x2+350A3a22

1B2x3x2x52

D+3a3Aa2

BC5D2aDx

yx

y

n

m+n2021

A1BC1D2021m41m

m

y2x4y

m+3n+3m1n+202120211Cx+xax3bx+1A2018BC2020Dx3bx+1ax1ax1+12019a2020x1++1D

6|a6|AC

BDaa6|aaC1616A152536D1101+2+3+

24162nn

nA15B25Cn36366236D

49C10222+22+2422425505129921002aaA2a2B22C2

aD2a

2

222

+2

2

+2

452+2

+2

n

2

n+1251+252

++299

+22+2

++2

2+249

2+22

22+22+23

222+22+23

4

25

2+22

+23+22n250

+252+2

+21002+2

2+22+23

210150

22101250

2101

222aaC二填題共6小，每題分共18分）11a2021

1aab1ab20211120.01

4

2.6950.012.701333+22xm+2x2+BB34+BA+Bx

+22

x+2xmx333+22x+7+2+2332

x

m5+7A+Bm5m5A+B3414a1cm8cmacm1cmcmaa15BCab+

①0②+c0③cb④

1

②③④ca0c

cababc①c0bbba+0②c0bbabca③1④②③④②④1619ax+

+5+a+5xa+a5xa+59三解題共72分17

1+2233[221]21

+23+22233[221]8+16228+6418+63818919718

1x9x+1121211xx1x231x6x33624x2x43+6x1x191x

2+42+2x2+32x12x2

+2

xy25x2

3xy+4y

xyx222

21x2+4x3x112

+4113822

2xy2+

xyx+7xy2214242209103+3+52

1202.6910122.51（3+3+4++7+2232.5+2.5++52.542.5+1110+10+10108.690010211xy221m2

50x4y21501xy2+2+24+14m

242

xy+1442606030003000221632①1416②1533③1①n1n+12n2②③①392②①③①1391①n1n+1

n1n+1

n

2②①③①39+29+29+1256+5137692310②30x301①5+150②4x250①②3x①①30010+50.82x50

31①300xx②300x0.84x+240x+1504+240250①x50+150400②x50+240440①354+240x90x90②24A46A2BP2At

1t

t

2①B4+2

②AP

t

t

3PAQ1BA

1PPBt

2t

②t

P

40t510QOQt

14+222P4+2655P2①P2BP4+2t②AP2t162t16t305PtQ6tt

t5tP6t5tQ6tt61162t222tPQt

392599n123baDm

mm

2n10a+b+1Dmx+1x++112x++110+110++175xm11287