Question

Va rog ma puteti ajuta ? Dau coronita

Answer 1

Răspuns:

i)

[(-6-7*2):10+9]*3 =

[(-6-14):10+9]*3 =

[-20 : 10 + 9]*3 =

[-2 + 9] * 3 =

7 * 3 =

21

j)

[(-3+9-12)*3+10]:2 + 4 =

[(6 - 12) *3 + 10]:2 + 4 =

[-6 * 3+10]:2 + 4 =

[-18 +10]:2 + 4 =

-8 :2 + 4 =

-4 + 4 =

0

k)

[(-3)^11 * (-3)^9 : 3^18 -10]^2009 + 1 ^2009 =

[(-3)^20 : 3^18 -10]^2009 + 1=

[(-3)^2 -10]^2009 + 1=

[9-10]^2009 + 1=

(-1)^2009 + 1=

-1 + 1 =

0

l)

[(-23 + 20 + 3 - 5) * (-6 + 4) + 5] *(-3)^2 =

[(-3+ 3 - 5) * (-2) + 5] *9 =

[(- 5) * (-2) + 5] *9 =

[10 + 5] *9 =

15 *9 =

135

m)

{[(5 - 2 * 3) +9] * (-2) + 3 * 4}* (-76 +78)=

{[(5 - 6) +9] * (-2) + 12}* 2=

{[(-1) +9] * (-2) + 12}* 2=

{ 8 * (-2) + 12}* 2=

{ -16 + 12}* 2=

- 4 * 2 =

-8