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初一年级百题竞赛

发布时间:2014-01-07 10:41:38  

同学们,一定要细心哦!

初一年级百题竞赛

班级: 姓名: 学号:

1、直接写出答案:(1?80?80分)

?2??1?(1)(?2)?(?21) (2)(?6)?4 (3)0?(?13) (4)??????? ?3??6?

?(5)(?2)?(?21) (6)(?6)?4 (7)0?(?13) (8)???

2??1?????? 3??6?

?2??1?(9)(?2)?(?21) (10)(?6)?4 (11)0?(?13) (12)??????? ?3??6?

?2??1?(13)(?2)?(?21) (14)(?6)?4 (15)0?(?13) (16)??????? ?3??6?

(17)341?349 (18)(?7)?(?9) (19)0.5?(?0.7) (20)1?(?9)

(21)?

(25)(3?10)?2 (26)3?(10?2) (27)

(29)?

1?10??1?(33)??3??(?) (34)??0.3????? (35)018 (36)52 2?10?7??12? (22)?64?16 (23)6.18?(?2.93) (24)57?102 23?214 (28) 7?16?15?3111??2?? (30)? (31)?5?5 (32)??5????? 2??11?25?922?

(37)(?2)3 (38)0.13 (39)(?10)4 (40)?104

第 1 页 共 4 页

同学们,一定要细心哦!

221?2?(41)?? (42) (43)(?1)2 (44)?(?2)2 32?3?2

(45)12011 (46)12012 (47)??1?2011 (48)??1?2012

2(49)?2??3 (50)?2???3? (51)?2?32 (52)??2?3?

1?23?(?2)3 (54)32?(?3)2 (55)(?5)2?(?52) (56)(53)?23?(?)3 2

(57)?42?(?1)2 (58)?6.96?104 (59)6.5?0.013 (60)?????3.5?? 4

?1?2?4?7??3???4?(61)??????? (62)????? (63)??????????0 ?2?3?5?8?5???2??

?22?52?(?4)2 (66)(64)(?1)?(?15)??18.65?6.15?18.15?6.15 (65)1 15

(67)3–15+5–7–6 (68)-

(70)?9???11??3???3? (71)??7????56??0???13? (72)20x?12x

(73)a3?a3 (74)x2?5x2?2x2 (75)?3a2b?3a2b (76)?3a2b?3a2b

(77)2x?

(80)?3x2y?2x2y?3xy2?2xy2

第 2 页 共 4 页 6745 -+- (69)?8?4?(?2) 11991111x (78)m?n2?m?n2 (79)2a2b?3a2b?a2b 22

同学们,一定要细心哦!

2、计算:(2?19?38分)

33233?27?(81)1?(?6.25)?????1.75 (82)(+3)+(+4)-(+1)+(-3) 45454?8?

5?1??1?(83)?15???5????1? (84)?2.5????? 8?4??5?

44?111?(85)?????12 (86)(?13)??(?7)? 55?462?

5??11?1?11??(87)????? (88) 2???? (89)??125??(?5) 7??23?12?23??

2?2?(90)(?7)?(?5)?90?(?15) (91)8??4?9?16? 3?3?

第 3 页 共 4 页

同学们,一定要细心哦!

(92)?

7?21?11??????(?16) (93)(?4)2?33?(?)2 9?35?33

171133(94)?14??22?(?3)2 (95)?(?)?? 7663145

??

?42?(2?3)2?(?3)? (97)??2??1?2?1?1??3 (96)(?5)3??????32334

(98)4a2?3b2?2ab?4a2?4b2 (99)a3?a2b?ab2?a2b?ab2?b3

3、先合并同类项,再求多项式的值。(2分)

(100) 2x2?5x3?4x?5?5x3?6x?x2?8,其中x??2

第 4 页 共 4 页

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