1又1/5霧【(1/3+2.3 x0.075 +0.37 )x1-11/4】 (怎样简算)

2025-06-26 02:08:34
推荐回答(1个)
回答1:

1.2÷[(1/3+2.3×0.075+0.37)×1-2.75]
=1.2÷(1/3+0.5425-2.75)
=1.2÷(1/3-2.2075)
=1.2×3-1.2÷2.2075
=18/5-480/883
=13494/4415