36÷(36+0.9)怎样简便计算和光剑合格
问题描述：
36÷(36+0.9)怎样简便计算
和光剑合格
答
36÷(36+0.9)
=36/36.9
=1-9/369
=1-1/41
=40/41
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