Răspuns:
a. (a > 0) OR (a > b)
TRUE OR TRUE = TRUE
b. NOT(a<=O OR b<=0)
NOT (FALSE OR FALSE) = NOT FALSE = TRUE
c. (a > 0) AND (b>0)
TRUE AND TRUE = TRUE
a.1890
FALSE AND TRUE OR FALSE = FALSE
b.1980
TRUE AND TRUE OR FALSE = TRUE
c.2054
FALSE AND TRUE OR FALSE = FALSE
d.2076
TRUE AND TRUE OR FALSE = TRUE
Explicație: