1)289x+711*36,если x=36 2)968b-68*43,если b=43

1 ) 289*36+711*36=4001402 ) 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.