3⼀4-(1⼀6-1⼀5)×120等于多少用简便运算?

2025-03-18 09:45:34
推荐回答(1个)
回答(1):

3/4-(1/6-1/5)*120
=3/4-(1/6*120-1/5*120)
=3/4-(20-24)
=3/4-(-4)
=3/4+4
=3/4+16/4
=19/4