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把下列各式分解因式: x2-9x+20.
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教案备课库《初二年级数学同修学案201621019》真题及答案
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下列各式能用完全平方公式进行分解因式的是
x
2
+ 1
x
2
+2x-1
x
2
+x+1
x
2
+4x+4
把下列各式分解因式4-4x+x2.
将下列各式因式分解xb+c﹣d﹣yd﹣b﹣c﹣c﹣b+d.
直接写出下列各式分解因式的结果xy-x-yx-y=__________.
把下列各式分解因式y-x2+5x-y+6.
把下列各式进行因式分解x3+3x2y+2xy2
把下列各式分解因式x-1²-2-3x²
把下列各式分解因式x2+14x+49
把下列各式分解因式.1-xy1-xy-x3y3.
下列各式中能用完全平方公式进行因式分解的是
x
2
﹣1
x
2
+2x﹣1
x
2
+x+1
4x
2
+4x+1
将下列各式分解因式x2+y22-4x2y2
下列各式能用完全平方公式进行分解因式的是
x
2
+1
x
2
+2x﹣1
x
2
+x+1
x
2
+4x+4
把下列各式分解因式x+1x+2x+3x+4-3.
下列各式中能用完全平方公式分解因式的是
x
2
+x+1
x
2
+2x+1
x
2
+2x﹣1
x
2
﹣2x﹣1
把下列各式分解因式x+92-16x2.
把下列各式分解因式xx+y-yx+y
下列各式中能用完全平方公式进行因式分解的是
x
2
+x+1
x
2
+2x-1
x
2
-1
x
2
-6x+9
把下列各式分解因式x4+3x2-4.
把下列各式分解因式10x+22-29x+2+10.
将下列各式分解因式3x-12x3
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