3⼀4乘5⼀7乘4⼀9乘14⼀5等于(简算)

2025-02-24 15:56:33
推荐回答(2个)
回答1:

3/4x5/7x4/9x14/5
=(3/4x4/9)x(5/7x14/5)
=1/3x2
=2/3

回答2:


如上