7/24 ÷ 14/15 × 12/25
问题描述:
7/24 ÷ 14/15 × 12/25
还有一题:11/15 ÷ 14/15 × 12/25 急用,绝对第一时间采纳!
答
7/24 ÷ 14/15 × 12/25
=7/24×15/14×12/25
=5/16×12/25
=3/20
11/15 ÷ 14/15 × 12/25
=11/15×15/14×12/25
=11/14×12/25
=66/175