(-1/3a²b³)³.(-1/4a²b³).(-1/2a²b^4)²
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![(-1/3a²b³)³.(-1/4a²b³).(-1/2a²b^4)²](/uploads/image/z/342735-15-5.jpg?t=%28-1%2F3a%26%23178%3Bb%26%23179%3B%29%26%23179%3B.%28-1%2F4a%26%23178%3Bb%26%23179%3B%29.%28-1%2F2a%26%23178%3Bb%5E4%29%26%23178%3B)
(-1/3a²b³)³.(-1/4a²b³).(-1/2a²b^4)²
(-1/3a²b³)³.(-1/4a²b³).(-1/2a²b^4)²
(-1/3a²b³)³.(-1/4a²b³).(-1/2a²b^4)²
(-1/3a²b³)³.(-1/4a²b³).(-1/2a²b^4)²
=1/27a的6次方b的9次方x 1/4a的2次方b的3次方x1/4a的4次方b的8次方
=1/432a的12次方b的20次方
=-1/27a^6b^9×(-1/4a²b³)×(1/4a^4b^8)
=1/432a^12b^20