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1. 5/6+2/9*3/4+2/3
2. 4/5*15/16+11/12*5/11
3. 7/12-3/24*5*12/15
4. 6/7+3/4*6/5*2/7
5 (1/2-1/6)*5+1/4*4/5
6. 11/28*8/33+13/14*25/26
7. 4/7*5/8-2/21*3/4
8. 1/2*1/3+1/15*(3/4-1/8)

第1个回答  2011-10-11
1. 5/6+2/9*3/4+2/3
=5/6+1/6+2/3
=1+2/3
=1又2/3
2. 4/5*15/16+11/12*5/11
=3/4+5/12
=9/12+5/12
=7/6
3. 7/12-3/24*5*12/15
=7/12-1/2
=1/12
4. 6/7+3/4*6/5*2/7
=6/7+9/35
=39/35
5 (1/2-1/6)*5+1/4*4/5
=1/3*5+1/5
=28/15
6. 11/28*8/33+13/14*25/26
2/21+25/28
7. 4/7*5/8-2/21*3/4
=5/14-1/14
=2/7
8. 1/2*1/3+1/15*(3/4-1/8)
=1/6+1/24
=1/8本回答被提问者和网友采纳
第2个回答  2012-05-06
5/6+2/9*3/4+2/3
=5/6+1/6+2/3
=1+2/3
=1又2/3
2. 4/5*15/16+11/12*5/11
=3/4+5/12
=9/12+5/12
=7/6
3. 7/12-3/24*5*12/15
=7/12-1/2
=1/12
4. 6/7+3/4*6/5*2/7
=6/7+9/35
=39/35
5 (1/2-1/6)*5+1/4*4/5
=1/3*5+1/5
=28/15
6. 11/28*8/33+13/14*25/26
2/21+25/28
7. 4/7*5/8-2/21*3/4
=5/14-1/14
=2/7
8. 1/2*1/3+1/15*(3/4-1/8)
=1/6+1/24
=1/8
第3个回答  2011-10-12
1. 5/6+2/9*3/4+2/3
=5/6+1/6+2/3
=1+2/3
=1又2/3
2. 4/5*15/16+11/12*5/11
=3/4+5/12
=9/12+5/12
=7/6
3. 7/12-3/24*5*12/15
=7/12-1/2
=1/12
4. 6/7+3/4*6/5*2/7
=6/7+9/35
=39/35
5 (1/2-1/6)*5+1/4*4/5
=1/3*5+1/5
=28/15
6. 11/28*8/33+13/14*25/26
2/21+25/28
7. 4/7*5/8-2/21*3/4
=5/14-1/14
=2/7
第4个回答  2011-10-13
你妈妈啊
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