36÷(36+0.9)怎样简便计算和光剑合格_数学解答

36÷(36+0.9)怎样简便计算
和光剑合格

人气：106 ℃　时间：2020-04-14 07:55:39

解答

36÷(36+0.9)
=(36+0.9-0.9)÷36.9
=(36.9-0.9)÷36.9
=1-0.9÷36.9
=1-1/4.1
=3.1/4.1
=31/41