谁能帮我出15题有理数的混合运算、20题整式的加减?请你帮我出.

在哪儿啊？？？
题

1.455*(38/5)+111/(5/96)+43.3*76
2.(18/5)*(127/5)+37.9*(32/5)
3.[61-(11.9+6.4)*0.5]/5.185
4.137.4*125-56.4*125-125
5.3.78+(3.78*2+3.78*2)*25
6.0.5*[9.9-(10-0.56/5.6)]
7.4.32+[(28.4-25.9)*0.5]/0.1
8.0.04-1.44/3.6*0.01
9.5.43+(8.1-7.2/1.6)*0.25
10.[90-(8.25/0.6+1.25)]*0.01
我已经仁至义尽了

太简单了!
-5+21*8/2-6-59
68/21-8-11*8+61
-2/9-7/9-56
4.6-(-3/4+1.6-4-3/4)
1/2+3+5/6-7/12
[2/3-4-1/4*(-0.4)]/1/3+2
22+(-4)+(-2)+4*3
-2*8-8*1/2+8/1/8
(2/3+1/2)/(-1/12)*(-12)
(-28)/(-6+4)+(-1)
2/(-2)+0/7-(-8)*(-2)
(1/4-5/6+1/3+2/3)/1/2
18-6/(-3)*(-2)
(5+3/8*8/30/(-2)-3
(-84)/2*(-3)/(-6)
1/2*(-4/15)/2/3
-3x+2y-5x-7y