[(10.75-12/59)*11/29]/[(1.125+12/1)/(2.25/11/120)]

问题描述:

[(10.75-12/59)*11/29]/[(1.125+12/1)/(2.25/11/120)]

结果是8/21

[(10.75-12/59)*11/29]/[(1.125+12/1)/(2.25/11/120)]
=[(10.75-12/59)*11/29]/[24/29÷160/33]
=[(10.75-12/59)*11/29]÷99/580
=(10.75-4又12/11)*(11/29*580/99)
=6/35*20/9
=8/21