Question

7^-11razy (7^-4 : 7)^-1
_____________________
( 7^-3)^2

1,3^4 razy16 razy 10^9
___________ __________
2,6^3 5^9 razy 2^9

pomocy dam naj
to _______________ jest kreska ulamkowa

Answer 1

7^-11razy (7^-4 : 7)^-1    7^-11 x (7^-5)^-1          7^-11 x 7^5       7^-6
________________ = ------------------------- = ----------------- = ------------ = 1
( 7^-3)^2                                7^-6                                 7^-6             7^-6
 

1,3^4 razy16         10^9                  1,3^4 x 2^4         10^9           1,3^4 x 2^4         10^9
__________ x    __________ = ------------------ x ------------ = ------------------ x ---------
2,6^3                     5^9 razy 2^9       (2 x 1,3)^3        (5 x 2)^9        2^3 x 1,3^3       10^9

     1,3 x 2
= ----------- x 1 = 2,6
         1

Answer 2

Zadanie w załączniku :)