Ответ:\(3,1^2+2,9^2=9,61+8,41=18,02\).\((5,3-(-4,7))^2=10^2=100\).\((1,37+(-1,35))^3=0,02^3=0,000008\).Ответ: 1) 18,02; 2) 100; 3) 0,000008.