Question

sa se afle ab+ba stiind ca a, b sunt consecutive si b mai mic decat a

Answer 1

depinde
a={2,3,4,5,6,7,8,9 }
b={1,2,3,4,5,6,7,8}
ab= 21, 32, 43, 54, 65, 76, 87, 98.
ba= 12, 23, 34, 45, 56, 67, 78, 89
21+12=33
32+23=55
43+34=77
54+45=99
65+56=121
76+67=143
87+78=165
98+89=187

Answer 2

21+12=33
32+23=55
43+34=77
54+45=99
65+56=121
76+67=143
87+78=165
98+89=187