2⼀3×7⼀13×65⼀14解题方式?

2024-11-29 18:37:40
推荐回答(1个)
回答(1):

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