Răspuns :
a+b+c=49 a)|___|
b=ax2 b)|___|___|
c=ax4 c)|___|___|___|___|
---------------- --------------------------------
a=?;b=?c=? a+b+c=49 ( am obtinut sapte segmenti)
1a+2a+4a=7a
7a=49
49:7=7
a=7
b=ax2
7x2=14
b=14
c=ax4
7x4=28
c=28
a+b+c=49
7+14+28=49
b=ax2 b)|___|___|
c=ax4 c)|___|___|___|___|
---------------- --------------------------------
a=?;b=?c=? a+b+c=49 ( am obtinut sapte segmenti)
1a+2a+4a=7a
7a=49
49:7=7
a=7
b=ax2
7x2=14
b=14
c=ax4
7x4=28
c=28
a+b+c=49
7+14+28=49