8 +999 : (130-х)-4=13 + 0x288
9+199:(130-x)-4=13+0x*288 8+999/130-x-4=13+0 4+999/130-x=13 999/130-x=13-4 999/130-x=9 999=9(130-x) 111=130-x x=130-111 x=19