Răspuns:
prima coloana
a=0,345
b=0,3
a+b=0,345+0,3=0,645
a+5=5,345
0,37+b=0,37+0,3=0,67
a doua coloana
a=18,497
b=14,51
a+b=18,497+14,51=33,007
a+5=18,497+5=23,497
0,37+b=0,37+14,51=14,88
a treia coloana
a=781,5
b=12,54
a+b=781,5+12,54=794,04
a+5=781,5+5=786,5
0,37+b=0,37+12,54=12,91