Question

-20+10-6+8-9+4
6-3+(-2)+(-5)-(-7)
-15-(-10)+(-6)-3+8-(-5)
4-(-10)-(-5)+6+(-3)+8
7-+(6)-2×5-40÷10
10-(-4)+5×8+10÷2 para mañana urgente​

Answer 1

-20+10-6+8-9+4= -13

6-3+(-2)+(-5)-(-7)= 6-3-2-5+7= 3

-15-(-10)+(-6)-3+8-(-5)= -15+10-6-3+8+5= -1

4-(-10)-(-5)+6+(-3)+8= 4+10+5+6-3+8= 30

7-+(6)-2×5-40÷10= 7-6-10-4= -13

10-(-4)+5×8+10= 10+4+40+5= 59