Question

va rog,dau coroana!!!​

Answer 1

Răspuns:

=[(7/3)¹⁺²]³:(7/3)⁸

=(7/3)³ˣ³:(7/3)⁸

=(7/3)⁹⁻⁸

=(7/3)¹

=7/3

__________

=(1/3)¹⁰⁺¹⁵-(1/3)²⁵

=(1/3)²⁵-(1/3)²⁵

=0

Answer 2

a)

${ \frac{7}{3} }^{3 \times 3} \div { \frac{7}{3} }^{2} =$

${ \frac{7}{3} }^{9} \div { \frac{7}{3} }^{8 } =$

${ \frac{7}{3} }^{ 1} = \frac{7}{3}$

b)

${ \frac{1}{3} }^{25} - { \frac{1}{3} }^{25} = 0$