tarea 1

1. (2)5+3(-6)-(2)(4)5= -48
10+(-18)-40=
10-18-40=
-8-40=-48

2. ((15)/3)+2(18)-6-3-4= 28
(5)+36-6-3-4=
41-13=28

3. (-2)(-4)(-5)(-3)(1)(7)= 840
(8)(15)(7)=840

4. (2)(-5)(11)(-2)(8)(-5)= -8800
(-10)(-22)(-40)=
(220)(-40)=-8800

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

6. ((15)(3)))/3)+2-5(8)-4(-4)= -17
((15)/3)+2-40+16=
5+2-40+16=
7+40+16=
-40+23=-17

7. ((49)/7)(-6)+2-3+4(5)(-2)= -83
(7)(-6)+2-3+4(5)(-2)=
-42+2-3-40=
-82+2-3=-83