Ta có: a - b = 10
=> a = 10 + b
c - b = 25
=> c = b + 25
Lại có: a + b + c = 92
=> (10 + b) + b + (b + 25) = 92
=> 3 x b + 35 = 92
=> 3 x b = 92 - 35
=> 3 x b = 57
=> b = 57 : 3 = 19
=> a = 19 + 10 = 29
=> c = 19 + 25 = 44
Ủng hộ mk nha ^-^
Ta có: a - b = 10
=> a = 10 + b
c - b = 25
=> c = b + 25
Lại có: a + b + c = 92
=> (10 + b) + b + (b + 25) = 92
=> 3 x b + 35 = 92
=> 3 x b = 92 - 35
=> 3 x b = 57
=> b = 57 : 3 = 19
=> a = 19 + 10 = 29
=> c = 19 + 25 = 44