有理数加减混合运算都有哪些练习题型？
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)
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
8+(-6.45）-42+91
(-20)+(+3)-（-5)-7
(-8)+10+2-57
5.9+8.4-（-78）+(-3.8)
4.8-（-69)+6.5-(-77）
（-8)-61-（31)+(-2.9）
9.3+（-7.2)-（+3）+5.2
（-5)+13-(-5.8）-(-54）
（+13）-9.6+（-20)
(-3/2)+(-4/3)+(-5/4)+(-6/5)+(-7/6)-(-8/7)
23+（-17）+6+（-22）
-2+3+9-（4/3-6/1）
54.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
39+[-23]+0+[-16]
[-18]+29+[-52]+60
[-3]+[-2]+[-1]+0+1+2
[-301]+125+301+[-75]
[-1]+[-1/2]+3/4+[-1/4]
[-7/2]+5/6+[-0.5]+4/5+19/6
[-26.54]+[-6.14]+18.54+6.14
1.125+[-17/5]+[-1/8]+[-0.6]
+4+(-8)+9+7+(-9)-(-5)
23+（-17）+6+（-22）
-2+3+1+（-3）+2+（-4）
(-17/4)+(-10/3)+(+13/3)+(11/3)
(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
|(-7.2)-(-6.3)+(1.1)|
|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)
(-27)(-25)(-3)(-4)
(-3/2)(-4/3)(-5/4)(-6/5)(-7/6)(-8/7)
3.9-（+10）+（-2）-（-8）+ 5
53/1+(-4/3)+13/2-8.25
-0.001+0.918-(44/1)+3.335
39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
0.75+[-11/4]+0.125+12又5/7+[-3/8]=
[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=
可以了么
8+(-6.45）-42+91
(-20)+(+3)-（-5)-7
(-8)+10+2-57
5.9+8.4-（-78）+(-3.8)
4.8-（-69)+6.5-(-77）
（-8)-61-（31)+(-2.9）
9.3+（-7.2)-（+3）+5.2
（-5)+13-(-5.8）-(-54）
（+13）-9.6+（-20)
(-3/2)+(-4/3)+(-5/4)+(-6/5)+(-7/6)-(-8/7)
23+（-17）+6+（-22）
-2+3+9-（4/3-6/1）
54.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
39+[-23]+0+[-16]
[-18]+29+[-52]+60
[-3]+[-2]+[-1]+0+1+2
[-301]+125+301+[-75]
[-1]+[-1/2]+3/4+[-1/4]
[-7/2]+5/6+[-0.5]+4/5+19/6
[-26.54]+[-6.14]+18.54+6.14
1.125+[-17/5]+[-1/8]+[-0.6]
+4+(-8)+9+7+(-9)-(-5)
23+（-17）+6+（-22）
-2+3+1+（-3）+2+（-4）
(-17/4)+(-10/3)+(+13/3)+(11/3)
(-1.8)+(+0.2)+(-1.7)+(0.1)+(+1.8)+(+1.4)
|(-7.2)-(-6.3)+(1.1)|
|(-5/4)-(-3/4)|-|1-5/4-|-3/4|)
(-27)(-25)(-3)(-4)
(-3/2)(-4/3)(-5/4)(-6/5)(-7/6)(-8/7)
3.9-（+10）+（-2）-（-8）+ 5
53/1+(-4/3)+13/2-8.25
-0.001+0.918-(44/1)+3.335
39+[-23]+0+[-16]=
[-18]+29+[-52]+60=
[-3]+[-2]+[-1]+0+1+2=
[-301]+125+301+[-75]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
[-1]+[-1/2]+[+3/4]+[-1/4]=
[-7/2]+[+5/6]+[-0.5]+4/5+19/6=
[-26.54]+[-6.14]+18.54+6.14=
1.125+[-17/5]+[-1/8]+[-0.6]=
0.75+[-11/4]+0.125+12又5/7+[-3/8]=
[-4/9]+[-3/5]+[+11/8]+[+5/9]+[-1/8]+[-0.4]=
可以了么
