题目内容
(1)(-2)0+(-
)-4+(
)-4+(
)-2+(
)0
(2)(2x-3)(x-1)
(3)(6a2b-4ab+2ab2)÷(-2ab);
(4)(-
)2004-(
)2005.
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(2)(2x-3)(x-1)
(3)(6a2b-4ab+2ab2)÷(-2ab);
(4)(-
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(1)原式=1+16+10000+9+1=10036;
(2)原式=2x2-2x-3x+3=2x2-5x+3;
(3)原式=-3a+2-b;
(4)原式=(-
×
)2004×
=
.
(2)原式=2x2-2x-3x+3=2x2-5x+3;
(3)原式=-3a+2-b;
(4)原式=(-
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