Răspuns :
1.I_____I+140
2.I_____I
540-140=400 ( suma partilor egale )
400:2=200 ( a doua damingeana )
200+140=340 ( prima damingeana )
Verificare : 340+200=540
2.I_____I
540-140=400 ( suma partilor egale )
400:2=200 ( a doua damingeana )
200+140=340 ( prima damingeana )
Verificare : 340+200=540
+140 540-140=400(2 seg egale)
a|-------|-----| } 400:2=200(b)
}540 200+140=340(a)
b|-------| }
a|-------|-----| } 400:2=200(b)
}540 200+140=340(a)
b|-------| }