题目内容
计算:
(1)30-2-3+(-3)2-(
)-1
(2)(-2a2b3)4+(-a)8•(2b4)3
(3)(-3ab)(2a2b+ab-1)
(4)(p-q)6÷[(p-q)2(q-p)3]
(5)xm•(xn)3÷(xm-1•2xn-1)
(6)(-
)2010×32011.
(1)30-2-3+(-3)2-(
| 1 |
| 4 |
(2)(-2a2b3)4+(-a)8•(2b4)3
(3)(-3ab)(2a2b+ab-1)
(4)(p-q)6÷[(p-q)2(q-p)3]
(5)xm•(xn)3÷(xm-1•2xn-1)
(6)(-
| 1 |
| 3 |
(1)原式=1-
+9-4=5
;
(2)原式=16a8b12+8a8b12=24a8b12;
(3)原式=-6a3b2-3a2b2+3ab;
(4)原式=(p-q)6÷[-(p-q)5]=-(p-q)=q-p;
(5)原式=xm+3n÷2xm+n-2=
x2n+2;
(6)原式=(-
×3)2010×3=3.
| 1 |
| 8 |
| 7 |
| 8 |
(2)原式=16a8b12+8a8b12=24a8b12;
(3)原式=-6a3b2-3a2b2+3ab;
(4)原式=(p-q)6÷[-(p-q)5]=-(p-q)=q-p;
(5)原式=xm+3n÷2xm+n-2=
| 1 |
| 2 |
(6)原式=(-
| 1 |
| 3 |
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