Question

Dau coroana urgent!! ex 16!!​

Answer 1

Răspuns:

a)

$= (1 + {2}^{2} + {2}^{4} ) \times {2}^{35}$

$= (1 + 4 + 16) \times {2}^{35}$

$= 21 \times {2}^{35}$

b)

$= ( {9}^{2} + 9 + 7) \times {9}^{999}$

$= (81 + 9 + 7) \times {9}^{999}$

$= 97 \times {9}^{999}$

c)

$= (7 \times 4 + 2 \times {4}^{2} - 1) \times {4}^{34}$

$= (28 + 2 \times {2}^{4} - 1) \times {2}^{34}$

$= (28 + {2}^{5} - 1) \times {4}^{34}$

$= (28 + 32 - 1) \times {4}^{34}$

$= 59 \times {4}^{34}$

d)

$= ( {8}^{3} - 3 \times 8 + 2) \times {8}^{197}$

$= (512 - 24 + 2) \times {8}^{197}$

$= 490 \times {8}^{197}$

e)

$= (46 + 5 \times {46}^{2} - 1) \times {46}^{134}$

$= (45 + 5 \times 2116) \times {46}^{134}$

$= (45 + 10580) \times {46}^{134}$

$= 10625 \times {46}^{134}$

f)

$= ( {2}^{3} - {2}^{2} - 2 - 1) \times {2}^{99}$

$= (8 - 4 - 2 - 1) \times {2}^{99}$

$= 1 \times {2}^{99}$

$= {2}^{99}$

Sper că te-am ajutat!