题目内容
计算:
(1)(2-3)0-(
)-2+(
)2011×(-4)2011
(2)2(a4)3+(-2a3)2-(-a2)3+a2a10
(3)(-2x2y)3+(x2)2-[(-3x)2-y3-x3]
(4)(2x-1)(2x+1)(4x2-1)
(1)(2-3)0-(
| 1 |
| 2 |
| 1 |
| 4 |
(2)2(a4)3+(-2a3)2-(-a2)3+a2a10
(3)(-2x2y)3+(x2)2-[(-3x)2-y3-x3]
(4)(2x-1)(2x+1)(4x2-1)
(1)原式=1-4-(
×4)2011
=1-4-1
=-4;
(2)原式=2a12+(4a6)•(-a6)+a12
=2a12-4a12+a12
=-a12;
(3)原式=-8x6y3+x4•[9x2•y3-x3]
=x6y3-x7;
(4)原式=(4x2-1)2
=16x4-8x2+1.
| 1 |
| 4 |
=1-4-1
=-4;
(2)原式=2a12+(4a6)•(-a6)+a12
=2a12-4a12+a12
=-a12;
(3)原式=-8x6y3+x4•[9x2•y3-x3]
=x6y3-x7;
(4)原式=(4x2-1)2
=16x4-8x2+1.
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