Avem patrun numere:A,B,C,D
A= |-------|--|(+5)
B=|-----|--|(-5)
C=|-------|------|-------|-------|-------|(×5)
D=|-------|-------|-------|-------|-------|(×5)
1800:12=150(valoarea unui segment)
150+5=155(numarul A)
150-5=145(numarul B)
150×5=750(numarul C)
150×5=750(numarul D)
Verificare:155+145+750+750=1800
Raspuns:
A=155
B=145
C=750
D=750