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Worksheets数学Ⅰ_３乗公式
Total questions: 7
Worksheet time: 2mins
Name
Class
Date
1.
x3+8 を因数分解せよ
a)
(x+2)(x2+2x+4)
b)
(x+2)(x2+4x+4)
c)
(x+2)(x2−2x+4)
d)
(x−2)(x2−2x+4)
e)
(x−2)(x2+2x+4)
2.
x3−27 を因数分解せよ
a)
(x+3)(x2−3x+9)
b)
(x+3)(x2−6x+9)
c)
(x+3)(x2+3x+9)
d)
(x−3)(x2+3x+9)
e)
(x−3)(x2−3x+9)
3.
64x3−1 を因数分解せよ
a)
(8x−1)(8x2+16x+1)
b)
(4x+1)(16x2−4x+1)
c)
(4x+1)(16x2+4x+1)
d)
(4x−1)(16x2+4x+1)
e)
(4x−1)(16x2−4x+1)
4.
8x3−125 を因数分解せよ
a)
(2x−5)(4x2+10x+25)
b)
(2x−5)(4x2−10x+25)
c)
(2x−5)(4x2+20x+25)
d)
(2x+5)(4x2+10x+25)
e)
(2x+5)(4x2−10x+25)
5.
(x+2)3 を展開せよ
a)
x3+8
b)
x3+3x2+3x+8
c)
x3+6x2+12x+8
d)
x3+12x2+6x+8
6.
(2x−1)3 を展開せよ
a)
8x3−1
b)
8x3+12x2+6x−1
c)
8x3−12x2+6x−1
d)
8x3−6x2+12x−1
e)
8x3+6x2+12x−1
7.
(2x+3)3 を展開せよ
a)
8x3+6x2+6x+8
b)
8x3+12x2+18x+8
c)
8x3+36x2+18x+8
d)
8x3+36x2+54x+8
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