алгебра 7 класс 35 балов
номер 1
3) [tex]\frac{(5^{3})^{6} *5^{-1}}{(5^{4})^{3} *5^{2}} +(0,7)^{0}[/tex]
5)[tex]\frac{46^{2} -26^{2}}{35^{2} -25^{2}} [/tex]=
7)[tex]72^{2} -2*72*53+53^{2} [/tex]=
9)[tex]82^{2} +2*82*73+73^{2} [/tex]=
номер 2
1)[tex](b^{2} -3)^{3} -(b^{2}-3)*(b^{4} +3b^{2} +9)=[/tex]
3)[tex] \frac{a^{2}-ax}{a^{2}x-ax^{2}} - \frac{1}{x} [/tex]
5)[tex] \frac{ x^{2} -1}{1-x^{3}} - \frac{ x^{2}}{x^{2}-x+1} [/tex]
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