Răspuns:
a) 125,152,179,206,233,260,287
125+27
152+27
b) 125,152,215,251, 512,521
se schimba primul nr
c) 8765,8756,8747,8738
8765-10+1
8756-10+1
d) 8765,8756,8576,8567
se schimba ultimele 2 cifre
e) 90,100,120,150,190,240
90+10
100+20
120+30
150+40
190+50
f) 1000,999,997,994,990,985
1000-1
999-2
997-3
994-4
990-5
g) 91,92,82,83,73,74,64
91+1
92-10
82+1
83-10
73+1
74-10
h) 50,40,140,130,230,220,320,310
50-10
40+100
140-10
130+100
230-10
220+100
320-10
310+100
