题目内容

(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
解:(1)(a23·(a24÷(﹣a25
                  =a6·a8÷(﹣a10
                  =a14÷(﹣a10
                  =﹣a4
(2)(x34+(x26
          =x12+x12
          =2x12
(3)(﹣2a2b34+(﹣a)8(2b43
          =16a8b12+8a8b12
          =24a8b12
(4)(0.125)2006·(﹣8)2007·(﹣1)2006
         
=(2006·(﹣8)2006·(﹣8)·1
       =[×(﹣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﹣﹣9÷1
        =4﹣﹣9
        =﹣5
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