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Hä vµ tªn: …………………………
Líp: 8… ( §Ò sè 01 )
|
Thø 7 ngµy18 th¸ng 12 n¨m 2010
KiÓm tra: 1 tiÕt.
M«n: §¹i sè.
|
§iÓm
|
C©u1. Rót gän c¸c ph©n thøc.
a. 
b. 
C©u2. Thùc hiÖn phÐp tÝnh.
a. ( 1 - 
) : (1 - 
) b. x + 
+ 
C©u3. Cho ph©n thøc 
a. Víi gi¸ trÞ nµo cña x th× gi¸ trÞ cña ph©n thøc ®îc x¸c ®Þnh?
b. Rót gän ph©n thøc.
c. TÝnh gi¸ trÞ cña biÓu thøc t¹i x = 2 vµ t¹i x = -1.
Bµi lµm
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
|
Hä vµ tªn: …………………………
Líp: 8… ( §Ò sè 02 )
|
Thø 7 ngµy18 th¸ng 12 n¨m 2010
KiÓm tra: 1 tiÕt.
M«n: §¹i sè.
|
§iÓm
|
C©u1. Rót gän c¸c ph©n thøc.
a. 
b. 
C©u2. Thùc hiÖn phÐp tÝnh.
a. x + 
+ 
b. ( 1 - ) : (1 - )
C©u3. Cho ph©n thøc 
a. Víi gi¸ trÞ nµo cña x th× gi¸ trÞ cña ph©n thøc ®îc x¸c ®Þnh?
b. Rót gän ph©n thøc.
c. TÝnh gi¸ trÞ cña biÓu thøc t¹i x = - 2 vµ t¹i x = 1.
Bµi lµm
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