1.è¥2x3ï¼3x2ï¼mxï¼1为xï¼1çåå¼ï¼åmï¼
2.å å¼å解3a3b2cï¼6a2b2c2ï¼9ab2c3ï¼
3.å å¼å解xyï¼6ï¼2xï¼3yï¼
4.å å¼å解x2(xï¼y)ï¼y2(yï¼x)ï¼
5.å å¼å解2x2ï¼(aï¼2b)xï¼abï¼
6.å å¼å解a4ï¼9a2b2ï¼
7.è¥å·²ç¥x3ï¼3x2ï¼4å«æxï¼1çå å¼ï¼è¯å解x3ï¼3x2ï¼4ï¼
8.å å¼å解ab(x2ï¼y2)ï¼xy(a2ï¼b2)ï¼
9.å å¼å解(xï¼y)(aï¼bï¼c)ï¼(xï¼y)(bï¼cï¼a)ï¼
10.å å¼å解a2ï¼aï¼b2ï¼bï¼
11.å å¼å解(3aï¼b)2ï¼4(3aï¼b)(aï¼3b)ï¼4(aï¼3b)2ï¼
12.å å¼å解(aï¼3)2ï¼6(aï¼3)ï¼
13.å å¼å解(xï¼1)2(xï¼2)ï¼(xï¼1)(xï¼2)2ï¼
14.è¥2Ã4Ã(32ï¼1)Ã(34ï¼1)Ã(38ï¼1)Ã(316ï¼1)ï¼3nï¼1ï¼æ±nï¼ ã
15.å©ç¨å¹³æ¹å·®å
¬å¼ï¼æ±æ åå解å¼4891ï¼ ã
16.2xï¼1æ¯ä¸æ¯4x2ï¼5xï¼1çå å¼ï¼çï¼ ã
17.è¥6x2ï¼7xï¼mæ¯2xï¼3çåå¼ï¼åmï¼
18.x2ï¼2xï¼1ä¸x2ï¼1çå
¬å å¼ä¸º ã
19.è¥xï¼2æ¯x2ï¼kxï¼8çå å¼ï¼æ±kï¼ ã
20.è¥4x2ï¼8xï¼3æ¯2xï¼1çåå¼è¯·å å¼å解4x2ï¼8xï¼3ï¼ ã
21.2xï¼1æ¯4x2ï¼8xï¼3çå å¼ï¼è¯·å å¼å解4x2ï¼8xï¼3ï¼ ã
22.(1)xï¼2 (2)xï¼4 (3)xï¼6 (4)xï¼6 (5)x2ï¼2x3ï¼24 ä¸åä½è
x2ï¼2xï¼24çå å¼ ï¼å
¨å¯¹æç»åï¼
23.å å¼å解ä¸ååå¼ï¼
(1)abcï¼abï¼4aï¼ ã
(2)16x2ï¼81ï¼ ã
(3)9x2ï¼30xï¼25ï¼ ã
(4)x2ï¼7xï¼30ï¼ ã
24.è¥x2ï¼axï¼12ï¼(xï¼b)(xï¼2)ï¼å
¶ä¸aãbå为æ´æ°ï¼åabï¼ ã
25.请å°éå½çæ°å¡«å
¥ç©ºæ ¼ä¸ï¼x2ï¼16xï¼ ï¼(xï¼ )2ã
26.å å¼å解ä¸ååå¼ï¼
(1)xyï¼xzï¼xï¼ ï¼(2)6(xï¼1)ï¼y(xï¼1)ï¼
(3)x2ï¼5xï¼pxï¼5pï¼ ï¼(4)15x2ï¼11xï¼14ï¼
27.设7x2ï¼19xï¼6ï¼(7xï¼a)(bxï¼3)ï¼ä¸a,b为æ´æ°ï¼å2aï¼bï¼
28.å©ç¨ä¹æ³å
¬å¼å±å¼99982ï¼4ï¼ ã
29.计ç®(1.99)2ï¼4Ã1.99ï¼4ä¹å¼ä¸º ã
30.è¥x2ï¼axï¼12å¯å解为(xï¼6)(xï¼b)ï¼ä¸a,b为æ´æ°ï¼åaï¼bï¼ ã
31.å·²ç¥9x2ï¼mxï¼25ï¼(3xï¼n)2ï¼ä¸n为æ£æ´æ°ï¼åmï¼nï¼ ã
32.è¥2x3ï¼11x2ï¼18xï¼9ï¼(xï¼1)(axï¼3)(xï¼b)ï¼åaï¼bï¼ ã
33.2992ï¼3992ï¼
34.å¡«å
¥éå½çæ°ä½¿å
¶è½æ为å®å
¨å¹³æ¹å¼4x2ï¼20xï¼ ã
35.å å¼å解x2ï¼25ï¼ ã
36.å å¼å解x2ï¼20xï¼100ï¼ ã
37.å å¼å解x2ï¼4xï¼3ï¼ ã
38.å å¼å解4x2ï¼12xï¼5ï¼ ã
39.å å¼å解ä¸ååå¼ï¼
(1)3ax2ï¼6axï¼ ã
(2)x(xï¼2)ï¼xï¼ ã
(3)x2ï¼4xï¼axï¼4aï¼ ã
(4)25x2ï¼49ï¼ ã
(5)36x2ï¼60xï¼25ï¼ ã
(6)4x2ï¼12xï¼9ï¼ ã
(7)x2ï¼9xï¼18ï¼ ã
(8)2x2ï¼5xï¼3ï¼ ã
(9)12x2ï¼50xï¼8ï¼ ã
40.å å¼å解(xï¼2)(xï¼3)ï¼(xï¼2)(xï¼4)ï¼ ã
41.å å¼å解2ax2ï¼3xï¼2axï¼3ï¼ ã
42.å å¼å解9x2ï¼66xï¼121ï¼ ã
43.å å¼å解8ï¼2x2ï¼ ã
44.å å¼å解x2ï¼xï¼14 ï¼ ã
45.å å¼å解9x2ï¼30xï¼25ï¼ ã
46.å å¼å解ï¼20x2ï¼9xï¼20ï¼ ã
47.å å¼å解12x2ï¼29xï¼15ï¼ ã
48.å å¼å解36x2ï¼39xï¼9ï¼ ã
49.å å¼å解21x2ï¼31xï¼22ï¼ ã
50.å å¼å解9x4ï¼35x2ï¼4ï¼ ã
51.å å¼å解(2xï¼1)(xï¼1)ï¼(2xï¼1)(xï¼3)ï¼ ã
52.å å¼å解2ax2ï¼3xï¼2axï¼3ï¼ ã
53.å å¼å解x(yï¼2)ï¼xï¼yï¼1ï¼ ã
54.å å¼å解(x2ï¼3x)ï¼(xï¼3)2ï¼ ã
55.å å¼å解9x2ï¼66xï¼121ï¼ ã
56.å å¼å解8ï¼2x2ï¼ ã
57.å å¼å解x4ï¼1ï¼ ã
58.å å¼å解x2ï¼4xï¼xyï¼2yï¼4ï¼ ã
59.å å¼å解4x2ï¼12xï¼5ï¼ ã
60.å å¼å解21x2ï¼31xï¼22ï¼ ã
61.å å¼å解4x2ï¼4xyï¼y2ï¼4xï¼2yï¼3ï¼ ã
62.å å¼å解9x5ï¼35x3ï¼4xï¼ ã
63.å å¼å解ä¸ååå¼ï¼
(1)3x2ï¼6xï¼ ã
(2)49x2ï¼25ï¼ ã
(3)6x2ï¼13xï¼5ï¼ ã
(4)x2ï¼2ï¼3xï¼ ã
(5)12x2ï¼23xï¼24ï¼ ã
(6)(xï¼6)(xï¼6)ï¼(xï¼6)ï¼ ã
(7)3(xï¼2)(xï¼5)ï¼(xï¼2)(xï¼3)ï¼ ã
(8)9x2ï¼42xï¼49ï¼ ã
64.9x2ï¼30xï¼kå¯å为å®å
¨å¹³æ¹å¼(3xï¼a)2ï¼åkï¼ aï¼ ã
65.è¥x2ï¼mxï¼15å¯å解为(xï¼n)(xï¼3)ï¼mãnç为æ´æ°ï¼åmï¼ nï¼ ã
66.æ±ä¸ååå¼çåæå·®æ积æåã
(1)(6512 )2ï¼(3412 )2ï¼ ã
(2)(7913 )2ï¼2Ã7913 Ã23 ï¼49 ï¼ ã
(3)1998Ã0.48ï¼798Ã0.48ï¼798Ã0.52ï¼1998Ã0.52ï¼ ã
67.å å¼å解ä¸ååå¼ï¼
(1)(xï¼2)ï¼2(xï¼2)2ï¼ ã
(2)36x2ï¼39xï¼9ï¼ ã
(3)2x2ï¼axï¼6xï¼3aï¼ ã
(4)22x2ï¼31xï¼21ï¼ ã
68.å©ç¨å¹³æ¹å·®ï¼åçå¹³æ¹æå·®çå¹³æ¹å
¬å¼ï¼å¡«å¡«ç
(1)49x2ï¼1ï¼ï¼ ï¼1ï¼ï¼ ï¼1ï¼
(2)x2ï¼26xï¼ ï¼ï¼xï¼ ï¼2
(3)x2ï¼20xï¼ ï¼ï¼xï¼ ï¼2
(4)25x2ï¼49y2ï¼ï¼5xï¼ ï¼ï¼5xï¼ ï¼
(5) ï¼66xï¼121ï¼ï¼ ï¼11ï¼2
69.å©ç¨å
¬å¼æ±ä¸ååå¼çå¼
(1)æ±5992ï¼4992ï¼ (2)æ±(7512 )2ï¼(2412 )2ï¼
(3)æ±392ï¼39Ã22ï¼112ï¼ (4)æ±172ï¼34Ã5ï¼52ï¼
(5)è¥2xï¼5yï¼13 ï¼7 ï¼xï¼4yï¼7 ï¼13 æ±2x2ï¼3xyï¼20y2ï¼
70.å å¼å解3ax2ï¼6axï¼ ã
71.å å¼å解(xï¼1)xï¼5xï¼ ã
72.å å¼å解(2xï¼1)(xï¼3)ï¼(2xï¼1)(xï¼5)ï¼
73.å å¼å解xyï¼2xï¼5yï¼10ï¼
74.å å¼å解x2y2ï¼x2ï¼y2ï¼6xyï¼4ï¼ ã
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