
计算:(1)(2?3)0?(12)?2+(14)2011×(?4)2011(2)2(a4)3+(-2a3)2?(-a2)3+a2a10(3)(-2x2y)3+
计算:(1)(2?3)0?(12)?2+(14)2011×(?4)2011(2)2(a4)3+(-2a3)2?(-a2)3+a2a10(3)(-2x2y)3+(x2)2?...
计算:(1)(2?3)0?(12)?2+(14)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)
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(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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