ejercicio

1
(2)5+3(-6)-(2)(4)5=11

2
((15)/3)+2(18)-6-3-4=46

3
(-2)(-4)(-5)(-3)(1)(7)=840

4
(2)(-5)(11)(-2)(8)(-5)=-8,800

5
2+3-5-6+7+18-39-65=-85

6
(((5)(3))/3)+2-5(8)-4(-4)=48

7
((49)/7)(-6)+2-3+4(5)(-2)=450