3个回答
2009-05-09
展开全部
=18/29*5/8+5/8*6/29+6.13+14/29
=5/8*(18/29+6/29)+6.13+14/29
=5/8*24/29+6.13+14/29
=15/29+6.13+14/29
=7.13
=5/8*(18/29+6/29)+6.13+14/29
=5/8*24/29+6.13+14/29
=15/29+6.13+14/29
=7.13
展开全部
都化分数
18/29*5/8 +6/29*5/8+14/29 +6.13
=5/8*24/29+14/29+6.13很容易约分凑成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很容易约分凑成1
=1+6.13=7.13
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展开全部
18/29*5/8 +6/29*5/8+14/29 +6.13
=5/8*24/29+14/29+6.13很容易约分凑成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*24/29+6.13+14/29
=15/29+6.13+14/29
=7.13
=5/8*24/29+14/29+6.13很容易约分凑成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*24/29+6.13+14/29
=15/29+6.13+14/29
=7.13
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