Х=601-159+348
Х=724+143+536
1)(Х-348)+159=601 x-348=442 x=790 2)x-536=867 x=1403 3)273+x=732 x=459 4)x+336=529 x=193 5)x-617=106 x=723 6)259-x=140 x=119