Răspuns:
39+38= 77
38+37= 75
37+36= 73
36+35= 71
35+34= 69
34+33= 67
33+32= 65
32+31= 63
30+29= 59
29+28= 57
28+27= 55
27+26= 53
26+25= 51
25+24= 49
24+23= 47
23+22= 45
22+21= 43
21+20= 41
20+19= 39
19+18= 37
18+17= 35
17+16= 33
16+15= 31
15+14= 29
14+13= 27
13+12= 25
12+11= 23
11+10= 21
10+9= 19
9+8= 17
8+7= 15
7+6= 13
6+5= 11
5+5= 10
5+4= 9
4+4= 8
4+3= 7
3+3= 6
3+2=5
2+2= 4
2+1= 3
1+1=2
1+0=1
0+0=0
