3⼀4减去3⼀4与五分之四的积,所有的差除9,商是几?

2024-11-08 09:47:28
推荐回答(3个)
回答1:


1/60

回答2:

60

回答3:

9÷(3/4-3/4×4/5)
=9÷(3/4-3/5)
=9÷3/20
=9×20/3
=60