(1)(a2)3-(a2)4÷(-a2)5(2)(x3)4+(x2)6(3)(-2a2b3)4+(-a)8-(2b4)3(4)(0.125)2006-(-8)2007-(-1)2006(5)(p-q)

题目简介

(1)(a2)3-(a2)4÷(-a2)5(2)(x3)4+(x2)6(3)(-2a2b3)4+(-a)8-(2b4)3(4)(0.125)2006-(-8)2007-(-1)2006(5)(p-q)

题目详情

(1)(a23-(a24÷(-a25
(2)(x34+(x26
(3)(-2a2b34+(-a)8-(2b43
(4)(0.125)2006-(-8)2007-(-1)2006
(5)(p-q)4÷(q-p)3-(p-q)2
(6)4-(-2)-2-32÷(3.14-π)0
题型:解答题难度:中档来源:不详

答案

(1)(a2)3•(a2)4÷(-a2)5
=a6•a8÷(-a10)
=a14÷(-a10)
=-a4;
(2)(x3)4+(x2)6
=x12+x12=2x12;
(3)(-2a2b3)4+(-a)8•(2b4)3
=16a8b12+8a8b12=24a8b12;
(4)(0.125)2006•(-8)2007•(-1)2006
=(class="stub"1
8
)2006•(-8)2006•(-8)•1
=[class="stub"1
8
×(-8)]2006•(-8)
=(-1)2006•(-8)
=-8;
(5)(p-q)4÷(q-p)3•(p-q)2
=(p-q)4÷[-(p-q)3]•(p-q)2
=-(p-q)4-3+2
=-(p-q)3
=(q-p)2;
(6)4-(-2)-2-32÷(3.14-π)0
=4-class="stub"1
4
-9÷1
=4-class="stub"1
4
-9
=-5class="stub"1
4

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