1.(1)1012.(2)x20.(3)-a10.(4)1036.(5)-x⁵m.(6)-(2a-b)⁸.
2.(1)错误，应改为(a³)²=a⁶.
(2)错误，应改为(b⁴)²=b⁸.
3.(1)2m8.(2)2x20.(3)a19.(4)10³.
4.正方体的体积是10⁶.
试卷导航1.(1)1012.(2)x20.(3)-a10.(4)1036.(5)-x⁵m.(6)-(2a-b)⁸.
2.(1)错误，应改为(a³)²=a⁶.
(2)错误，应改为(b⁴)²=b⁸.
3.(1)2m8.(2)2x20.(3)a19.(4)10³.
4.正方体的体积是10⁶.
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