2020-2021學(xué)年湖北省咸寧市咸安區(qū)七年級(jí)(下)期末數(shù)學(xué)試卷

學(xué)年湖省咸寧市安區(qū)七年（下）期數(shù)學(xué)試卷二選題共8小，每題分滿24分）A2B1C

D9A

B

C

DAC

BDBCA32C4

B+ADC180DA5A2B1D

+4

1C+21A

B

C

DAABAA34C92

B84D4462A

B114

C

D三細(xì)填填本題小，小3分，分分請(qǐng)答填在題相題的置0.31.202002000220

10PP3P1180175412a1a13x

m14840

15BC12

CP16

四專解解本題小，分分請(qǐng)真題冷思，答應(yīng)出字明證過(guò)或算驟請(qǐng)合寫(xiě)答卷應(yīng)號(hào)位置171

++|2

2x21819DFABEFAEDCEFCBEFCDEBCAED20y

x+1k214A1.51

1111111111111.5C1D0.51

2D3300

B2211BC12eq\o\ac(△,A)eq\o\ac(△,)CAAeq\o\ac(△,A)eq\o\ac(△,)CBC3PBCABCAP

23AA32115B12418241CDAEC+22CDABCDEADCDEE50ABCDCBFADmABCn3BED

參考答案二精選選本題小，小3分，分分在小給的4個(gè)項(xiàng)只一符題，在題上正答的號(hào)上A2B1C

D9ABCD

13A

B

C

DCA

B

C

Dx2xxx2xBCA32C4

B+ADC180DA5A3ABBCADABAADCCDBCADBC4BCADCD5BCADDCA2B1D

+4

1C+2

a

b

+1

+

11AC

BDAABAA34C92

B84D44345353+58D62

A

B114

C

D43313+552+1221162360222D三細(xì)填填本題小，小3分，分分請(qǐng)答填在題相題的置

0.31.20200200022

0210Py32Pxxy0x2233118017544175358412a1a

01+3aa21+32aa13x

m

mx11m11

1484016xcmycmx+3y++y6+21615BC12CPABCP

eq\o\ac(△,Rt)ABC12AB13CPCPBCCP

16

50501

1234n

1+231+2+36101+2+3...+1+2+3+...+100四專解解本題小，分分請(qǐng)真題冷思，答應(yīng)出字明證過(guò)或算驟請(qǐng)合寫(xiě)答卷應(yīng)號(hào)位置171

++|2

2x229x2

4x2

xx

1

2

+

+|22

22x12

x1x1x18①+②xx2①②4y119

DFABEFAEDCEFCBEFCDEBCAED

EFCDEBCABBBEFCDEBCAED20y

x+1kxyk3x+kx+3ykxx1k1k2214A1.511.5C1D0.51

2D

B33000.5

1A2D3160302D36018200183300

111111111111111115152211BC12eq\o\ac(△,A)eq\o\ac(△,)CAAeq\o\ac(△,A)eq\o\ac(△,)CBC3PBCABCAP

A2ABC341ABC2eq\o\ac(△,A)eq\o\ac(△,)3A17

1723AA32115B12418AB563800A3B18002B+4A600mmmm1By

A4002m2m+4

14

mm1517184002+44002+44002+44002+41620017200241CDAEC+22CDABCDEADCDEE50ABCDCBFADmABCn3BED2EHAB3AB1