Resolva as expressões:
a. (– 2 – 7) . (– 3 – 5) = _________
b. (+265):(-5) =_________
c. (– 6) . (– 8) = _________
d. 0:(-568) = _________
e. 5 . (2 – 4 – 6) = _________
f. 720:(-8) - (+824):(+4) = _________
g. (-8).(-3).0.(-15) = _________
h. (-101):101= ________