Question

Simplifica fractiile si scrie rez. in fractie ireductibila
a) $\frac{a87+a78}{36}$
b) $\frac{16 ^{10} }{4 ^{18} }$
Dau coroana

Answer 1

$\frac{ 16^{10} }{ 4^{18} } }= \frac{( 2^{4}) ^{10} }{( 2^{2}) ^{18} } = \frac{ 2^{40} }{ 2^{36} }= 2^{4} =16$