Răspuns :
a+b+c=430
a÷b=2 => a=2b
b÷c=3 => b=3c => (daca a=2b) a=2×3c=6c
6c+3c+c=430
10c=430 => c=430÷10=43
a=6×43=258
b=3×43=129
a÷b=2 => a=2b
b÷c=3 => b=3c => (daca a=2b) a=2×3c=6c
6c+3c+c=430
10c=430 => c=430÷10=43
a=6×43=258
b=3×43=129
a:b=2
a=2b
b:c=3
b=3c
a |__|__|__|__|__|__|
b |__|__|__| }430
c |__|
430:10=43 reprezintă un segment
a=6×43=258
b=3×43=129
c=43