Question

A) -2-{3+(+3+1)]}

B) -4+5+[+3(+3+1)]

C) -12-{30-[4+(5-2)]}

D) -{-18-[-12-(-20+25)]}
​

Answer 1

Resposta:

A)-9

B)13

C)-35

D)1

Explicação passo-a-passo:

A)-2-(3+(+3+1)))

-2-(3+(3+1)))

-2-(3+4)

-2-7

-(2+7)

-9

-2-7

-9

Resposta

-9

B)-4+5+(+3(+3+1))

-4+5+(3(+3+1))

-4+5+(3×4)

-4+5+12

-4+17

13

-4+15+12

13

Resposta

13

C)-12-(30-(4+(5-2)))

-13-(30-(4+(5-2)))

-12-(30-(4+3)))

-12-(30-7)

-12-23

-(12+23)

-35

-12-23

-35

Resposta

-35

D)-(-18-(-12-(-20+25))

-(-18-(-12-(-20+25)))

-20+25

+(25-20)

5

-(-18-(-12-(-20+25)))

-(-18-(-12-5)))

-12-5

-(12+5)

-17

-(-18-(-12-5)))

-(-18-(-17)))

-(-18+17)

-18+17

+(18-17)

-1

-(-18+17)

-(-1)

1

Resposta

1