Svolgimento:
[math]2a^2+[-(-3/4ab)(-a)+(-1/6a)(3/2ab)](-1/2ab+3ab)-(1/3a)(a^2b^2)+2a(-a)=[/math]
[math]=2a^2+[-(3/4a^2b)-1/4a^2b)](5/2ab)-(1/3a^3b^2-2a^2=[/math]
Semplificando si ha[math]=(-a^2b)(5/2ab)-1/3a^3b^2=-5/2a^3b^2-1/3a^3b^2=((-15-2)/6)a^3b^2=(-17)/6a^3b^2[/math]
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