Răspunsuri

2014-10-04T20:25:47+03:00
Ab6 + 3ab + b9a = 1173
100a + 10b + 6 + 300 + 10a + b + 100b + 90 + a = 1173
111a + 111b + 396 = 1173
111a + 111b = 1173 - 396
111a + 111b = 777
111 ( a + b ) = 777
a + b = 777 : 111
a + b = 7