-广东省深圳市福田区2020-2021学年上学期期末考试七年级数学试题 - 解析版

5672222256722222学年广省深圳市田区七年（上）期数学试卷一选题本题12小题每题分共分每题出四选中只一是合目求，将确选用笔在题上A3B3

DA

B

C

D6700000m6700000A6.710

B6.710

C

D67

8A3C10

B3a2aDa42ABCDA2x

B

Cab

D+22xm+53mA1B1D

3332333233233322AOB155A15

B25

C35

D45AB12MABNAB2A2B3C4cmD10ABCD50%105A20

B

C30

D35121112131641+410aA455455D

222222二填题本题4小题每题3分共12分）133514OAOD35OD

15+3a+9a+116x2x42424x3m+2三解题本共7题，中题分，18题6分，19题分，20题分21题分22题分题分共52分，答填答卷）17108218[xyyx+]xxy1191xx220

2322321002310110123991002399100221ABD1

2mD34D221+2+2++2S1+2+2+22+2++221S11+2+2+2+111+3+3+23+323AB13Px1PP

2PAB3B0.5P63

567n6222567n6222学年广省深圳市田区七年（上）期数学试卷参考答案与试题解析一选题本题12小题每题分共分每题出四选中只一是合目求，将确选用笔在题上A3B33

DA

B

C

D2D6700000m6700000A6.710

B6.710

C

D67

810106.710A3Baa

22222222222C10Da42根B3a2C1D2baD

0ABCD2020A2x

B

Cab

2

D+2xB

Cab1+2D+22xm+53m

A1B1Dx32+5m2+532+5m1AOB155A15

B25

C35

D4590+BOD+AOC+AOBCOD25AB12MABNAB2A2B3C4cmDBMMNBMMBM6cmcmBMBN64C10

ABCD根ABAB解ABAB50%105A20

B

C30

D351+50%1+50%x7070D12

333233233333233233322333233233323333221112131641+410a

aA455455D1112131641+4

+

55

C二填题本题4小题每题3分共12分）133533+5814OAOD35ODODAOD35AOC+BOC180

22222222222222222211015+3a+9a+17aa+13aa+323+9a+13a3716x2x42424x3m+2xm+2是m+2m

三解题本共7题，中题分，18题6分，19题分，20题分21题分22题分题分共52分，答填答卷xyyx+]xxy1

222222224xxy+2y2x4xxy2x2yxy2191xx2x21xx3+7x224+2x16+25+1x561x3x320423

3321ABD1502mD7234DA23B42000D2040%

232100232321002310110123991002399100222310150250100%30%303205

4D221+2+2++2S1+2+2+22+2++221S11+2+2+2+111+3+3

23+32+3+3333+3+3+3S

S

231002310110231002310110213+33+3333+

23AB13Px1PP2PAB33B0.5P6