Va rog!!!Nu trebuie toate!!! Urgent varog
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Răspuns:
g) -a^2/3+ab^2-a^2/2=-2a^2/6+6ab^2/6-3a^2/6
= (-5a^2+6ab^2)/6
h) -ab+2ab/3-ab/4=-12ab/12+8ab/12-3ab/12= -4ab/12-3ab/12= -7ab/12.