1)289x+711*36,если x=36 2)968b-68*43,если b=43
1 ) 289*36+711*36=400140 2 ) 968*43-68*43=1786908
1)289x+711*36 = 36*(289x+711) = 36000, 289*36= 10404, 711*36= 25596, 10404 + 25596= 36000. 2)968b-68*43=43*(968b-68) = 38700, 968 * 43 = 41624, 68 * 43 = 2924, 41624-2924 = 38700.