x^2 - 1.3x + 0.16x=0
x^2 - 1.14x = 0
x1 = 0
x2 = 1.14对不起我写错问题了应该是x的平方-1.3x+0.16=0 对不起啊 麻烦了x^2 - 1.3x + 0.16 =0x^2 - 2*0.65*x + 0.65^2 + 0.16 - 0.65^2 = (x - 0.65)^2 - 0.2625 = 0x - 0.65 = ± √0.2625x1 = 0.65 + 0.51 = 1.16x2 = 0.65 - 0.51 = 0.14