填上适当的数,使下面各等式成立: (1)x2+3x+ =2; (2) -3x+=2; (3)4x2+ +9=2; (4)x2-px+ =2; (5)x2+x+ =2. 查看更多

 

题目列表(包括答案和解析)

填上适当的数,使下面各等式成立:
(1)x2+3x+
 
=(x+
 
2
(2)
 
-3x+
1
4
=(3x
 
2
(3)4x2+
 
+9=(2x
 
2
(4)x2-px+
 
=(x-
 
2
(5)x2+
b
a
x+
 
=(x+
 
2

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填上适当的数,使下面各等式成立:

(1)x2+3x+_______=(x+________)2;  

(2)_______-3x+=(3x_______)2

(3)4x2+_____+9=(2x________)2

(4)x2-px+_______=(x-_______)2

(5)x2+x+_______=(x+_______)2.

 

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填上适当的数,使下面各等式成立:
(1)x2+3x+______=(x+______)2
(2)______-3x+数学公式=(3x______)2
(3)4x2+______+9=(2x______)2
(4)x2-px+______=(x-______)2
(5)x2+数学公式x+______=(x+______)2

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填上适当的数,使下面各等式成立:
(1)x2+3x+______=(x+______)2
(2)______-3x+
1
4
=(3x______)2
(3)4x2+______+9=(2x______)2
(4)x2-px+______=(x-______)2
(5)x2+
b
a
x+______=(x+______)2

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填上适当的数,使下面各等式成立:
(1)x2+3x+    =(x+    2
(2)    -3x+=(3x    2
(3)4x2+    +9=(2x    2
(4)x2-px+    =(x-    2
(5)x2+x+    =(x+    2

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