$ \dfrac{2}{5} × \dfrac{3}{4} = $

$ \dfrac{2×3}{5×4} = \dfrac{6}{20} $

$ = \dfrac{3}{10} $

Partage en Cinq

Partage en Quatre

Produit

Simplifier

A = (-3, 3.42)
B = Point(Circle[A, 10])
a = Segment(A, B)
b = OrthogonalLine(A, a)
c = Circle(A, 9)
C = Intersect(c, b, 1)
d = OrthogonalLine(C, b)
e = OrthogonalLine(B, a)
D = Intersect(d, e)
f = Segment(A, C)
g = Segment(C, D)
h = Segment(D, B)
B' = Dilate(B, 0.2, A)
u = Vector(A, B')
B'' = Translate(B', u)
B''' = Translate(B'', u)
H = Translate(B''', u)
i = OrthogonalLine(B', g)
j = OrthogonalLine(B'', g)
k = OrthogonalLine(B''', g)
E = Intersect(i, g)
F = Intersect(j, g)
G = Intersect(k, g)
l = Segment(B', E)
m = Segment(F, B'')
n = Segment(B''', G)
p = OrthogonalLine(H, g)
I = Intersect(p, g)
q = Segment(H, I)
poly1, a_2, b'', f_1, c_2 = Polygon(A, B'', F, C)
C' = Dilate(C, 0.25, A)
v = Vector(A, C')
C'' = Translate(C', v)
r = OrthogonalLine(C', h)
s = OrthogonalLine(C'', h)
J = Intersect(r, h)
t = Segment(C', J)
K = Intersect(s, h)
a_1 = Segment(K, C'')
C''' = Translate(C'', v)
b_1 = OrthogonalLine(C''', h)
L = Intersect(b_1, h)
c_1 = Segment(C''', L)
M = Point(m)
poly2, a_3, b''_1, m_1, c''' = Polygon(A, B'', M, C''')
e_1 = false
g_1 = false
h_1 = false
o = false