Question

Calcule o valor das expressões:​

Answer 1

Explicação passo-a-passo:

2- A) 3-4²+1=

3-16+1

4-16

-12

B) 2³-2²-2=

8-4-2

8-6

2

C) (-1)⁴+5-3²=

1+5-9

6-9

-3

D)5^0-5¹-5^0=

1-5-1

-5

E) (-3)²×(+5)+2=

9×5+2

45+2

47

F) (-1)^7-(+1)^8=

-1-1

-2

G) 5+(-3)²+7^0=

5+9+1

5+10

15

H) √49 +2³-1=

7+8-1

15-1

14

3-A) (-3)²+5=

9+5

14

B) (-8)²-(-9)²=

64-81

-17

C)-72^0+(-1)^8=

-1+1

0

D)(-12)^0+(+12)^0

1+1

2

E) 10³-(-10)²-10^0=

1000-100-1

1000-101

899

F) (-7)²+(-6)²-(-1)²=

49+36-1

85-1

84

E) (-1)^6+(+1)^5+(-1)⁴+(+1)³=

1+1+1+1

4