Question

calcule as seguintes potências:
a) 7²
b) 25
C) 3⁴
d) 1


resolva as expressões:
a) {24/3-[15×2-6+(5²+7)]}






b) 15×(15-4)+(12/4)-9





Arme e efetue:


a) 2736+592+69724






b) 8206173-7348596





C) 39764×68




d) 7432/5​

Answer 1

Resposta:

a)49

b)32

c)28

d)1

a){8-[30-6+(25+7)]

{8-[30-6+32]

{8-[24+32]}

{8-[56]

{8-56}

48

b)15×(15-4)+3+9

15×11+3+9

165+12=177

a)69724

2736

+ 592

___________

7 3 0 5 2

b)8206173

- 7348596

___________

857.577

c) 38764

× 68

__________

3 2 0 1 1 2

23 2 5 8 4

______________

26 3 5 9 5 2

d) 7432/5

- 5 1486

___

24

-20

_______

043

- 40

_____

032

- 30

______

( 0 2)

espero ter ajudado