15⼀16÷(5⼀12÷5⼀8+3⼀8) 6⼀7-6⼀7×(2⼀3+1⼀9) 【1-(1-2⼀3÷

2024-11-22 05:55:47
推荐回答(3个)
回答1:

 

回答2:

15/16÷(5/12÷5/8+3/8)
=15/16÷(2/3+3/8)
=15/16÷25/24
=15/16×24/25
=9/10

回答3: