cuarta tarea

1. 1.16
2. 42.25
3. 1321.6
4. 1203813
5. 5
6. 2421/315
7. 44.1
8. 0.9165
9. 0.55
10. 0.389
11. 283888.6

tercera tarea

1.73x
2.x/15
3.16/x
4.22(x)
5.x+34
6.7(x)-5
7.1/3 x
8.5.23
9.4.19
10. 0.044
11.0.00686
12.0.032
13.0.0554
14.0.044
15.631

segunda tarea

1.13467/160
2.315/56
3.45
4.153512/13040
51022771/12605

segunda tarea

1. 13467/160
2.315/56
3.45
4.153512/13040
5.112/35

tarea1

1.32
2.+49
3.5160
4.291
5.180
6.77/216
7.225/54
8.11316/8320
9.2016/336
10.1013/1800
11.27840/165240

(2)5+3(-6)-(2)(4)5=-48
((15)/3)+2(18)-6-3-4=28
(-2)(-4)(-5)(-3)(1)(7)=840
(2)(-5)(11)(-2)(8)(-5)=859
2+3-5-6+7+18-39-65=87
(((5)(3)))/3)+2-5(8)-4(-4)=17
((49)/7)(-6)+2-3+4(5)(-2)=1