
3个回答
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7分之6 -14分之5 +3分之1
=14分之12 -14分之5 +3分之1
=14分之7 +3分之1
=2分之1+3分之1
=6分之5
14-(3分之1+二分之1)
=14-6分之5
=13又6分之1
14分之1+(七分之五-二分之1)
=14分之1+14分之3
=7分之2
=14分之12 -14分之5 +3分之1
=14分之7 +3分之1
=2分之1+3分之1
=6分之5
14-(3分之1+二分之1)
=14-6分之5
=13又6分之1
14分之1+(七分之五-二分之1)
=14分之1+14分之3
=7分之2
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展开全部
6/7 - 5/14 + 1/3
=12/14 - 5/14 + 1/3
= 7/14 + 1/3
= 1/2 + 1/3
= 3/6 + 2/6
= 5/6
14-(1/3+1/2)
=14-(2/6+3/6)
=14 - 5/6
= 13又6分之1
1/14+(5/7-1/2)
=1/14 + 10/14 - 7/14
=4/14
=2/7
=12/14 - 5/14 + 1/3
= 7/14 + 1/3
= 1/2 + 1/3
= 3/6 + 2/6
= 5/6
14-(1/3+1/2)
=14-(2/6+3/6)
=14 - 5/6
= 13又6分之1
1/14+(5/7-1/2)
=1/14 + 10/14 - 7/14
=4/14
=2/7
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展开全部
=12/14-5/14+1/3
=1/2+1/3
=3/6+2/6
=5/6
=14-(3/6+2/6)
=14-5/6
=13又6分之1
=1/14+(10/14-7/14)
=1/14+3/14
=2/7
=1/2+1/3
=3/6+2/6
=5/6
=14-(3/6+2/6)
=14-5/6
=13又6分之1
=1/14+(10/14-7/14)
=1/14+3/14
=2/7
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