安徽省阜阳市2016_2017学年七年级数学下学期入学考试试题新人教版.doc

1、 2016-2017 5 40 1 -2 3 A . - 6 B. 5 C. - 1 D. l 2 A B C D 3 2 500 000 2 500 000 A 7 0.25 10 B 6 2.5 10 C 7 2.5 10 D 5 25 10 4 1 ab 2 2 3 ab A. 1 B. 1 C. 5 D. 5 5 AB CD C F A A B C D 6 a b A a+b 0 B 0 C |a| |b| D b+a b 7. 2 1 ( 2) 0 2 xy 2015 () xy A.1 B. 1 C. 2015 D.2015 8 x 81 27 9 2016 A 3 B 27 C

2、9 D 1 5 20 9 _ 10 1 2 2 3 1 = 3= 11 20% 9 16 _ 12 , ABC A=90 D AC DE BC 1=155 B 60 13. 12 1 . +16 7 +11 2 14. 6 1 2 3 1 73 xx 15. 8 A B C AB = 6cm BC = 2cm M AC AM 16 10 3 x 2 2y 2 x 2 2y x= 1 y=2 17 10 100 6 9 780 18. 14 2016 1 1 6 350 2.28 /m 3 350 2.5 /m 3 1 2016 300 2 2016 500 3 2016 1563 2016 )

3、 3 ( 2 6 1 1 2 4 5 40 1 -2 3 A A . - 6 B. 5 C. - 1 D. l 2 B A B C D 3 2 500 000 2 500 000 B A 7 0.25 10 B 6 2.5 10 C 7 2.5 10 D 5 25 10 4 1 ab 2 2 3 ab B A. 1 B. 1 C. 5 D. 5 5 AB CD C F A C A B C D 6 a b C A a+b 0 B 0 C |a| |b| D b+a b 7. 2 1 ( 2) 0 2 xy 2015 () xy B A.1 B. 1 C. 2015 D.2015 8 x 81 2

4、7 9 2016 D A 3 B 27 C 9 D 1 5 20 9 _22.54_ 10 = 157 11 20% 9 16 12 _200_ 12 , ABC A=90 D AC DE BC 1=155 B 65 60 13. 12 1 . +16 7 +11 2 1 = 16+7 11 -3 =12 -6 2 =-1- 1 6 2-9 -3 =-1- 1 6 -7 = 1 6-6 14. 6 1 2 3 1 73 xx X= -3 15. 8 A B C AB= 6cm BC= 2cm M AC AM AM 2cm 4cm 16 10 3 x 2 2y 2 x 2 2y x= 1 y=2 3x 2 6y 2x 2 +4y = x 2 2y x= 1 y=2 =1-4=-3 17 10 100 6 9 780 X 6X+ 9 100 X =780 X=40 40 60 18. 14 2016 1 1 6 350 ) 3 ( 2 6 1 1 2 4 2.28 /m 3 350 2.5 /m 3 1 2016 300 2 2016 500 3 2016 1563 2016 1 2 3 2016 x 1563 1173 2016 500 1 2016 600