Răspuns :
1000 – d x 2 – 100 = 24
1000 – d x 2 = 124
d x 2 = 1000 – 124
d x 2 = 976
d = 488
1000 – d x 2 = 124
d x 2 = 1000 – 124
d x 2 = 976
d = 488
1000 – d x 2 – 100 = 24
1000 – d x 2 = 124
d x 2 = 1000 – 124
d x 2 = 976
d = 488
1000 – d x 2 = 124
d x 2 = 1000 – 124
d x 2 = 976
d = 488