计算:(-2a^2b^3)^2(-2/3ab^3)/(-1/2a^2b^5)
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计算:(-2a^2b^3)^2(-2/3ab^3)/(-1/2a^2b^5)
计算:(-2a^2b^3)^2(-2/3ab^3)/(-1/2a^2b^5)
计算:(-2a^2b^3)^2(-2/3ab^3)/(-1/2a^2b^5)
(-2a2b3)2(-2/3ab3)/(-1/2a2b5)
=4 a4b6·(-2/3ab3)/(-1/2a2b5)
=4/3a4+1+2b6+3+5
=4/3a7b14
-8/3a^3b^4
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