Tính:
----- Nội dung ảnh -----
G = \left( 1 - \frac{1}{3} \right) \left( 1 - \frac{1}{6} \right) \left( 1 - \frac{1}{10} \right) \cdots \left( 1 - \frac{1}{15} \right) \cdots \left( 1 - \frac{1}{190} \right)
H = \left( 1 - \frac{1}{7} \right) \left( 1 - \frac{2}{7} \right) \left( 1 - \frac{3}{7} \right) \cdots \left( 1 - \frac{10}{7} \right) \ll
G = \left( 1 - \frac{1}{3} \right) \left( 1 - \frac{1}{6} \right) \left( 1 - \frac{1}{10} \right) \cdots \left( 1 - \frac{1}{15} \right) \cdots \left( 1 - \frac{1}{190} \right)
H = \left( 1 - \frac{1}{7} \right) \left( 1 - \frac{2}{7} \right) \left( 1 - \frac{3}{7} \right) \cdots \left( 1 - \frac{10}{7} \right) \ll