Question

10. Efetue: AJUDA!!!!

A) (+3) + (– 2) + (– 5) =
B) (– 2)– (+1)– (+5) =
C) (+4) + (– 6)– (+7)– (– 6) + (+7) =
D) (– 3 )– (– 5 ) + (– 6) + (+8)– (– 4) =
E) + (– 3 + 8)– (– 3 + 8) + (5– 6) =
F) −(−3 − 1) − (−6 + 4 − 1) − 6 − (−3 + 2) =
G) (+5) ∙ (+ 3)
H) (+ 15) ÷ (−4 + 1)
I) (– 8) ∙ (+ 4) =
J) (– 35) ÷ (+ 7)
K) (– 40) ÷ (– 5)
L) (– 2) ∙ (+4) ∙ (+3) ∙ (– 1) =
M) (− 3). (−15): (−1 − 2)
N) 2 ∙ (− 3) ∙ (+ 6) =
O) 500: (3 − 23)
P) (– 77) ÷ (+ 11) =
Q) (– 750): (−11 + 21) =

Answer 1

Resposta:

a= -2, b= -8, c= 4, d= 8, e= -1, f= 2, g= 15, h= -5, i= -32, j= 5, k= 8, l= 24, m= -15, n= -36

Explicação passo a passo:

espero ter ajudado