2023-2024学年江西省景德镇市八年级（下）期中数学试卷.pdf
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-JYECD
2023-2024()
(6,3,18)
1.(3
)()
A.x43x4B.aa+2C.-2z-2yD.-(-3)-5
2.(3),()
W
3.(3),A4BC3A4BC,WETARA,BLCRIMERA,
C()
A.3,3C3.3
4(3),A4BCh,LA=70°,04B,ACHHFS}A
,CBO()
A,40°B.30°C20°D.10°
BIR/K24K
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5.(3),A4BC,4B=4C,A
B4C=100,]C(C),
D4C.4CB0,40C()
0
BDC
A.105°B.115°C125°D.135°
6.(3),4C.,
90,n,n()AC
A,n=12,n=3B.n=13,n=2Cn=123
,n=23,n=1
(6,3,18)
1.(3),(-1,2)___.
2.(3)z-(-1)
224
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3.(3)
,
(1),
2,4B=4C=200cmm,
4C4BB4Cia,
,a
60°a120°,Ca
.BC
cm.
12
4(3),A4BCh,4B=BC,LB=120°,BC
AC.BCFD,,DB=1,4C
5.(3)AABGH,C=90,4C=12,4,
,4C4BMMW,MN,MTV
,,4FBC,4D=13,
A4
B
D
40,4B=__
6.(3)304BCSC4,4BC,CB,
,BCBCB4,BCB
(5,6,30)
32
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