(1)(-9)-(-13)+(-20)+(-2)
(2)3+13-(-7)/6
(3)(-2)-8-14-13
(4)(-7)*(-1)/7+8
(5)(-11)*4-(-18)/18
(6)4+(-11)-1/(-3)
(7)(-17)-6-16/(-18)
(8)5/7+(-1)-(-8)
(9)(-1)*(-1)+15+1
(10)3-(-5)*3/(-15)
(11)6*(-14)-(-14)+(-13)
(12)(-15)*(-13)-(-17)-(-4)
(13)(-20)/13/(-7)+11
(14)8+(-1)/7+(-4)
(15)(-13)-(-9)*16*(-12)
(16)(-1)+4*19+(-2)
(17)(-17)*(-9)-20+(-6)
(18)(-5)/12-(-16)*(-15)
(19)(-3)-13*(-5)*13
(20)5+(-7)+17-10
(21)(-10)-(-16)-13*(-16)
(22)(-14)+4-19-12
(23)5*13/14/(-10)
(24)3*1*17/(-10)
(25)6+(-12)+15-(-15)
(26)15/9/13+(-7)
(27)2/(-10)*1-(-8)
(28)11/(-19)+(-14)-5
(29)19-16+18/(-11)
(30)(-1)/19+(-5)+1
(31)(-5)+19/10*(-5)
(32)11/(-17)*(-13)*12
(33)(-8)+(-10)/8*17
(34)7-(-12)/(-1)+(-12)
(35)12+12-19+20
(36)(-13)*(-11)*20+(-4)
(37)17/(-2)-2*(-19)
(38)1-12*(-16)+(-9)
(39)13*(-14)-15/20
(40)(-15)*(-13)-6/(-9)
(41)15*(-1)/12+7
(42)(-13)+(-16)+(-14)-(-6)
(43)14*12*(-20)*(-13)
(44)17-9-20+(-10)
(45)12/(-14)+(-14)+(-2)
(46)(-15)-12/(-17)-(-3)
(47)6-3/9/(-8)
(48)(-20)*(-15)*10*(-4)
(49)7/(-2)*(-3)/(-14)
(50)13/2*18*(-7)
(51)13*5+6+3
(52)(-15)/5/3+(-20)
(53)19*4+17-4
(54)(-11)-(-6)*(-4)*(-9)
(55)(-16)+16-(-8)*(-13)
(56)16/(-1)/(-10)/(-20)
(57)(-1)-(-9)-9/(-19)
(58)13*20*(-13)*4
(59)11*(-6)-3+18
(60)(-20)+(-12)+(-1)+(-12)
(61)(-19)-3*(-13)*4
(62)(-13)/3-5*8
(63)(-15)/1+17*(-18)
(64)(-13)/3/19/8
(65)(-3)/(-13)/20*5
(66)3/12/(-18)-18
(67)5*(-19)/13+(-6)
(68)4+4*(-19)-11
(69)(-2)+17-5+(-1)
(70)9+(-3)*19*(-19)
(71)(-12)-(-6)+17/2
(72)15*(-5)-(-3)/5
(73)(-10)*2/(-1)/4
(74)(-8)*16/(-6)+4
(75)2-11+12+10
(76)(-3)+(-20)*(-7)*(-9)
(77)(-15)+8-17/7
(78)(-14)*10+18*2
(79)(-7)+2-(-17)*19
(80)(-7)/18/1+1
(81)11/(-9)-(-16)/17
(82)15+5*6-(-8)
(83)(-13)*(-18)+18/(-6)
(84)11-(-1)/11*(-6)
(85)(-4)+(-12)+19/6
(86)(-18)/(-1)/(-19)+2
(87)9*(-8)*(-6)/11
(88)20*(-3)*(-5)+1
(89)(-18)-2+(-11)/20
(90)15*1+4*17
(91)1-10+(-14)/(-1)
(92)10+(-4)*(-19)+(-12)
(93)15/14/5*7
(94)8+(-13)/3+1
(95)(-14)+6+(-2)*(-14)
(96)(-5)/(-13)/4+7
(97)(-15)/(-2)/(-12)+(-2)
(98)(-17)-(-20)-20*(-10)
(99)(-7)-10-13/3
(100)(-20)+(-18)+11+9
答案：
1 -18
2 103/6
3 -37
4 9
5 -43
6 -(20/3)
7 -(199/9)
8 54/7
9 17
10 2
11 -83
12 216
13 1021/91
14 27/7
15 -1741
16 73
17 127
18 -(2885/12)
19 842
20 5
21 214
22 -41
23 -(13/28)
24 -(51/10)
25 24
26 -(268/39)
27 39/5
28 -(372/19)
29 15/11
30 -(77/19)
31 -(29/2)
32 1716/17
33 -(117/4)
34 -17
35 25
36 2856
37 59/2
38 184
39 -(731/4)
40 587/3
41 23/4
42 -37
43 43680
44 -22
45 -(118/7)
46 -(192/17)
47 145/24
48 -12000
49 -(3/4)
50 -819
51 74
52 -21
53 89
54 205
55 -104
56 -(2/25)
57 161/19
58 -13520
59 -51
60 -45
61 137
62 -(133/3)
63 -321
64 -(13/456)
65 3/52
66 -(1297/72)
67 -(173/13)
68 -83
69 9
70 1092
71 5/2
72 -(372/5)
73 5
74 76/3
75 13
76 -1263
77 -(66/7)
78 -104
79 318
80 11/18
81 -(43/153)
82 53
83 231
84 115/11
85 -(77/6)
86 20/19
87 432/11
88 301
89 -(411/20)
90 83
91 5
92 74
93 3/2
94 14/3
95 20
96 369/52
97 -(21/8)
98 203
99 -(64/3)
100 -18