Răspuns :
a)999990,999991,999992,999993,999994,999995,999996,999997,
999998.999999,1000000
b)999989,999990,999992,999993,999994,999995,999996,999997,
999998,999999
c)999989,999990,999991,999992,999993,999994,999995,999996,
999997.999998.999999,1000000
d)990989,990990,990991,990992,990993.990994,990995,990996,990997
990998,990999,991000......999999,
999998.999999,1000000
b)999989,999990,999992,999993,999994,999995,999996,999997,
999998,999999
c)999989,999990,999991,999992,999993,999994,999995,999996,
999997.999998.999999,1000000
d)990989,990990,990991,990992,990993.990994,990995,990996,990997
990998,990999,991000......999999,
a) 999,989, 999.990, 999.991, 999.992, 999.993, 999.994, 999.995, 999.996, 999.997, 999.998, 999.999.
b) 999,989, 999.990, 999.991, 999.992, 999.993, 999.994, 999.995, 999.996, 999.997, 999.998, 999.999. 1.000.000.
b) 999,989, 999.990, 999.991, 999.992, 999.993, 999.994, 999.995, 999.996, 999.997, 999.998, 999.999. 1.000.000.