Question

Determine o valor numérico das expressões algébricas ​

Answer 1

a)13

b)-6

c)-91/4

d)5

e)34

f)4

g)34

h)-13

a)3×3-2×(-2)

9+4

13

b)(-1)^3×2-2^2

(-1)×2-4

(-2)-4

-6

c)[3-(-1/2)]×[-1/2 -2×3]

[3+1/2]×[-1/2-6]

[6+1/2]×[-1-12/2]

7/2 × (-13)/2

-91/4

d)(-2)^2-3×(-2)+(-5)

4+6+(-5)

10+(-5)

5

e)(5+(-3))^2

25+9

34

f)√2×(-2)^2+8

√2×4+8

√8+8

√16= 4

g)((-3)+5)^2

9+25

34

h)1^2-4×1+5×(-2)

1-4×1+5×(-2)

1- 4+(-10)

(-3)+(-10)

-13

Answer 2

Explicação passo-a-passo:

sim