Răspuns :
A 35
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A |------------------------------------|
D
55= 2*A+35 => 55-35=2*A => 10=A iar D=10+35=45
|---------------------|----------------------|-------------|
A |------------------------------------|
D
55= 2*A+35 => 55-35=2*A => 10=A iar D=10+35=45
1] Egalam timbrele
55-35=20
2] Cate timbre are Andrei
20÷2=10
3] Cate timbre are Dan
10+35=45
RASPUNS
Andrei are 10 timbre
Dan are 45 timbre
VERIFICARE
10+45=55
45-10=35
SUCCES
55-35=20
2] Cate timbre are Andrei
20÷2=10
3] Cate timbre are Dan
10+35=45
RASPUNS
Andrei are 10 timbre
Dan are 45 timbre
VERIFICARE
10+45=55
45-10=35
SUCCES