(-2m²n-²)² 乘以(3m的负一次方n³)-³
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![(-2m²n-²)² 乘以(3m的负一次方n³)-³](/uploads/image/z/2589728-32-8.jpg?t=%28-2m%26%23178%3Bn-%26%23178%3B%29%26%23178%3B+%E4%B9%98%E4%BB%A5%283m%E7%9A%84%E8%B4%9F%E4%B8%80%E6%AC%A1%E6%96%B9n%26%23179%3B%29-%26%23179%3B)
(-2m²n-²)² 乘以(3m的负一次方n³)-³
(-2m²n-²)² 乘以(3m的负一次方n³)-³
(-2m²n-²)² 乘以(3m的负一次方n³)-³
(-2m²n-²)² 乘以(3m的负一次方n³)-³
=4m^4 n^(-4) ·1/27 m^3 n^(-9)
=4/27 m^7 n^(-13)
(*^__^* *^__^* *^__^*)
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