=18/29*5/租陵8+5/8*6/29+6.13+14/基型尺29
=5/8*(18/29+6/搏高29)+6.13+14/29
=5/8*24/29+6.13+14/29
=15/29+6.13+14/29
=7.13
都化分数悄毁
18/29*5/8 +6/29*5/8+14/29 +6.13
=5/8*24/29+14/袭握29+6.13很容易约启禅备分凑成1
=1+6.13=7.13
18/29*5/8 +6/29*5/8+14/29 +6.13
=5/8*24/29+14/29+6.13很容衫亮易或兆宽约分凑成1
=1+6.13=7.13
或
=18/29*5/8+5/8*6/29+6.13+14/29
=5/8*(18/29+6/29)+6.13+14/29
=5/8*24/猜滚29+6.13+14/29
=15/29+6.13+14/29
=7.13