Question

calcule o valor das expressões:

a) 5+(-3)³+√1

b)√49+2³-1+√16

c) -√100+√400-5²+6²

d) √25+2³-1√9

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Answer 1

→ Cálculo :

A) 5 + ( - 3 )³ + √1

5 + ( - 27 ) + 1

5 - 27 + 1

6 - 27

-21

B) √49 + 2³ - 1 + √16

7 + 8 - 1 + 4

19 - 1

18

C) -√100 + √400 - 5² + 6²

-10 + 20 - 25 + 36

-35 + 20 + 36

-35 + 56

21

D) √25 + 2³ - 1√9

5 + 8 - 1 · 3

13 - 3

10  

Answer 2

Resposta:

a) 5+(-3)³+√1=

5+1-27=

6-27=

-21

b)√49+2³-1+√16

√49=7

√16=4

7+8-1+4=

15+4-1=

19-1=

18

c) -√100+√400-5²+6²

√100=10

√400=20

-10+20-25+36=

10+36-25=

46-25=

21

d) √25+2³-1√9

√25=5

1.√9=3

5+8-3=

13-3=

10

​espero ter ajudado ͡° ͜ʖ ͡°