X-573=861 2354-x=896 x×58=3886 x:97=64
х=861+573 х=2354-896 х=3886/58 х=64*97
х=1434 х= 1458 х=67 х=6208
--------------- ----------------- ---------------- ------------------
1434-573=861 2354-1458=896 67*58=3886 6208/97=64
861=861 896=896 3886=3886 64=64