解:2/3×7/13×65/14等于( 5/3 ) ∵已知需求出2/3×7/13×65/14等于多少 ∴2/3 × 7/13 × 65/14 = 2/3 × (7/13 × 65/14) = 2/3 × [7/13 × (13×5)/(2×7)] = 2/3 × 5/2 = 5/3 答:2/3×7/13×65/14等于5/3