Х : 8 = 49 52+72 : x =56 ( x - 23 ) : 26 =8 1728 : ( 56 - x ) = 36

1) х = 49×8 х = 392 2) х = (52+72) ÷ 56 х = 124 ÷ 56 х = 2 3/14 3)х- 23 = 26×8 х - 23 = 208 х = 208+23 х = 231 4)56- х = 1728 ÷ 36 56 -х = 48 х = 56- 48 х = 8