Răspuns:
3.a.156,234,592,635,738,739,843
b.902,816,707,691,405,345,12
●156,234,592,738,902,816,12
6.a.501,503,505,510,580
b.710,705,700,699,678
c.196,198,197,200,203
7.a. 920,910,900,890,880
b. 650,655,660,665,670
c. 111,222,333,444,555
d. 812,712,612,512,412