Răspunsuri

2014-07-31T10:22:19+03:00
 139<a<146,
a=140, 141, 142, 143, 144, 145

b)550<a<554
a=551, 552, 553
c)699<_a<_709. 

daca inseamna mai mic sau egal, atunci rasp este
a=699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709
2014-07-31T10:22:57+03:00
a) 139<a<146
a=140,141,142,143,144,145
b)
550<a<554
a=551,552,553
c)699<_a<_709. 
a=699,700,701,702,703,704,705,706,707,708,709