упростите выражение
a) (1+[tex] \frac{a}{b} [/tex]) : (1-[tex] \frac{a}{b} [/tex])
b) 5-[tex] \frac{5a-2b}{2a} [/tex] * ([tex]( \frac{1}{5a+2b} + \frac{1}{5a-2b} )[/tex]
c) [tex] 4\frac{1}{6} a^{8} b^{5} * (-1 \frac{1}{5} a^{5} b) ^{3} [/tex]
a) (1+[tex] \frac{a}{b} [/tex]) : (1-[tex] \frac{a}{b} [/tex])
b) 5-[tex] \frac{5a-2b}{2a} [/tex] * ([tex]( \frac{1}{5a+2b} + \frac{1}{5a-2b} )[/tex]
c) [tex] 4\frac{1}{6} a^{8} b^{5} * (-1 \frac{1}{5} a^{5} b) ^{3} [/tex]
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