數與數線(11)
Author: 藍邦偉　老師

|0.3\overline{5}a-0.35×a|=|\frac{35-3}{90}-\frac{35}{100}|a=\frac{1}{6}

$ ⇒\frac{(320-315)a}{900}=\frac{1}{6} ⇒5a=150⇒a=30$

n = 0 (slider from 0 to 3, step 1)
A = (-5.465950829268291, 4.983568390243897)
B: A + (1, 0)
D: A + (0, 0.8)
C: B + D - A
poly1, a, b, c, d = Polygon(A, B, C, D)