(完整版)初中分式及分式方程100道计算题

实用文案

分式及分式方程计算题练习

y 1 y 2 y 5

(6) y 2 4y 3 y 2 6y 9 y 1

1.分式计算: (1) 3b 2 16a be 2a 2

2a )2 b

2 a 6a 9

4 b 2

c

2

3 a a 2 b 3a 9

(3)

x 2 2x 3)3 ( 9 x 2 )

( x 3)2

1 x )

(4)

2x 6 4 4x x 2

(x 3)

x 2 x 6 3 x

(7)

丄丄？ j x y

2x x y 2x

(5)

十 - Mx +1

实用文案

2 2

X y x 2 6xy 9y 2

(11) (xy x 2)

xy

(9)

a 2 2a 1

a 1

(a 2).

(10)

x x 4x x 2 x 2

2 x

（13）（一占）6

(14)

1

(8)

x y x 3y

(12)

(x+y)?

"⑸

I 」：1「1

f b _ 4 a 3l> - ab 2 / - b 2

a^+3a ? a-l-3 , 2 a 2+3a+2 #L a+2

(17)

x-1

(18)

y-3

4y- 8

十

(y+2-

(16)

(20)

.a 2- 2ab+b 2

(19)

(21)

-2

(22)

(23)

3b2 be ( 2a) 16a 2a2 b

x 2 x2 6x 9 ? 2 -

x 3 x 4

(27)-21

1 _ a- b a? _ 2ab+ b <

b_a a a

2 2

a 6a 9 3 a a

(24)

4 b2 2 b 3a 9

2 3 2 4

(26)x y y x

x xz yz

(28)

a2 3 a 1

a2 1 a 1

(29)2b2

(30)

1 6

a 3 9 a2

(31)(x 1

1 3x

1 __ )

(32)

3x x x

(x 2 x 2)P__4

(33)X(1x2 1 (

34) ( 1+—! )^-x -

x 1 x 1

(35)23.鼻卫(36)xy

x2

(37)

x 1 x 1

~2 ~2 —

x xx 2x 1 x

(37)

Q)3(x2

x y y2）启2

(39)丄丄(J x y).

2x x y 2x (40)

2 2

x 4x 4 x 2x

2 - ~

x 4 x 2

2.解方程

x 4 x 8 x 7 x 5 x 5

x 9

x 8

x 6

2x 3 2x 4 1

x 1

2x 3

2-x x-3

—-2

3-x

1

1 3 ⑷

2x 4

2

2 x

(8)