Question

Va rog .....! Ajutati-ma sa le inteleg....Dau folow si inimioara

Answer 1

Exemple de puteri:

De ex: 2 la puterea 4: se face asa 2·2·2·2=16 adica facem numarul de atatea ori cate zice puterea.

3 la puterea 6 se face:

3·3·3·3·3·3=729

5 la puterea 3 se face:

5·5·5=125

Answer 2

1. a) 2^8 : 2^6 = 2^2 = 4

b) 2^12 : 2^10 = 2^2 = 4

c) 2^27: 2^24 = 2^3 = 8

d) 2^9 : 2^6 = 2^3 = 8

e) 3^32 : 3^25 = 3^7

f) (4+ 2^4) : 5 = (4+16):5 = 20:5 =4

g) (1 + 2^7) : (2^7+1)  =1

h) ( 3^36 : 3^32-56) :5 = (3^4-56):5 = (81-56):5 = 25:5 = 5

i) (2^3)^16 : (2^15)^3 -2-1 = 2^48 : 2^45 -3 = 2^3-3 = 8-3 = 5

2. 10^2 * [4+5*9-32 +64*(49-9):8 ]

= 100 * (4+45-32+64*40:8)=

= 100* (49-32+20)=

=100* 37 = 3700

b) [2^24:2^3 *(64+64) - (2^2)^6 : 2^10] : (2^28-2^2)+9=

=(2^21 * 2^7 - 2^12*2^10): (2^28-2^2)=9

= (2^28-2^2) : (2^28-2^2)+9=

= 9