Răspuns :
1 balot = a
2 balot =a+19
3 balot=a+4
1balot+2 balot + 3 balot=426
a+a+19+a+4=426
3×a+23=426
3a=426-15
3a=411
a=411÷3
a=137
1 balot =137
2 balot=137+19
=156
3 balot=137-4
=133
2 balot =a+19
3 balot=a+4
1balot+2 balot + 3 balot=426
a+a+19+a+4=426
3×a+23=426
3a=426-15
3a=411
a=411÷3
a=137
1 balot =137
2 balot=137+19
=156
3 balot=137-4
=133