1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2Ã3/5
14.3.375+5.75+2.25+6.625
15.1001ï¼9036÷18
16.3.8Ã5.25+14.5
17.2.1*4.3+5.7*2.1
18.30Ã1/3
19.102*45-328
20.2/3Ã12
21.2.8*3.1+17.6/8
22.3/5Ã5/6
23.(50-12.5)/2.5
24.2/5Ã1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7Ã1/5
29.3.375*0.97+0.97*6.625
30.25Ã4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2Ã1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13Ã27
46.1.5Ã4.2ï¼0.75÷0.25
47.3.27Ã4 +3.27Ã5.7
48.ï¼1.2+ 1.8ï¼Ã4.51025ï¼768÷32
49.0.25Ã80ï¼0.45÷0.9
50.1025ï¼768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
1/2+1/3
2/1-5/4
9\3*3\9
3/4+5/4=? 4/5+6/5=? 5/6+6/7=?
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