3/7 + 49/9 - 4/3
8/9 +15/36 + 1/27
12+ 5/6 – 2/9 +3
8— 5/4 + 1/4
6-3/8 – 3/8
4/7 + 5/9 + 3/7 + 5/9
5/2 -（ 3/2 + 4/5 ）
7/8 + （ 1/8 + 1/9 ）
9+ 5/6 + 5/6
3/4 + 8/9 - 1/3
7 +5/49 + 3/14
6 +（ 1/2 + 2/3 ）
8 + 4/5 + 8 + 11/5
31 + 5/6 – 5/6
9/7 - （ 2/7 – 10/21 ）
5/9 + 3/7 + 49/9 - 4/3
4/5 + 25/16 + 2/3 + 3/4
14 + 8/7 – 5/6 + 12/15
17/32 – 3/4 + 9/24
3 + 2/9 + 1/3
5/7 + 3/25 + 3/7
3/14 + 2/3 + 1/6
1/5 + 2/3 + 5/6
9/22 + 1/11 — 1/2
5/3 + 11/5 + 4/3
45 + 2/3 + 1/3 + 15
7/19 + 12/19 + 5/6
1/4 + 3/4 - 2/3
8/7 + 21/16 + 1/2
1/5 – 1/5 + 21
6.9＋4.8＋3.1 0.456＋6.22＋3.78 15.89＋(6.75－5.8）*6
4.02＋5.4＋0.98 5.17－1.8－3.2 13.75－(3.75＋6.48)*6
3.68＋7.56－2.68 7.85＋2.34－0.85＋4.66 35.6－1.8－15.6－7.2
3.82＋2.9＋0.18＋9.1 9.6＋4.8－3.6 7.14－0.53－2.47
5.27＋2.86－0.66＋1.63 13.35－4.68＋2.65 73.8－1.64－13.8－5.36
47.8－7.45+8.8 0.398+0.36+3.64 15.75+3.59－0.59+14.25
7/10 + 1/10 = 8/10 = 4/5
5/9 + 4/9 = 9/9 = 1
8/15 + 3/15 = 11/15
9/14 + 3/14 = 12/14 = 6/7
3/5 + 8/5 = 11/5
4/15 - 3/15 = 1/15
7/8 - 5/8 = 2/8 = 1/4
5/3 - 2/3 = 3/3 =1
7/8 - 4/8 = 3/8
1314/2010- 520/2010 = 794/2010 = 397/1005