Răspuns:
1) 5408 = 5000 + 400 + 8
67425 = 60000 + 7000 + 400 + 20 + 5
307160 = 300000 + 7000 + 100 + 60
108216 = 100000 + 8000 + 200 + 10 + 6
2)
a) 8008 ; 400000
b) 66000 ; 330000
c) 26528 ; 69058
3) 434000 , 435000 , 436000
60075 , 50075 , 40075
34700 , 150700 , 34800
4) 785044 , 785045 , 785046
600488 , 600489 , 600490
856477 , 856478 , 856479
999998 , 999999 , 1000000
5) 5 = V
30 = XXX
4 = IV
9 = IX
25 = XXV
7 = VII
11 = XI
8 = XIII
7 = XII
19 = IXX
