Răspuns :
a + b = 225
a - b = 175 => a = b+ 175
b + 175 + b = 225
2 × b = 225 - 175
b = 50 : 2 = 25
a = 225 - 25 = 200
a× b = 200× 25 = 5000
Salut!
Rezolvare:
a+b=225
a-b=175
b+175+b=225
2b=225-175
2b=50
b=50:2=25
a=200
a×b=5000
a + b = 225
a - b = 175 => a = b+ 175
b + 175 + b = 225
2 × b = 225 - 175
b = 50 : 2 = 25
a = 225 - 25 = 200
a× b = 200× 25 = 5000
Salut!
Rezolvare:
a+b=225
a-b=175
b+175+b=225
2b=225-175
2b=50
b=50:2=25
a=200
a×b=5000