Question

Resuelve
A.(1-90)-(9-70)
B.5-(18-105)
C.8-(-3+2)+4
D.(5-45)-(10-60)
E.(43-25)-(3-65)

Answer 1

A)

1-90-9+70= - 8-20= - 28

B)

5-18+105= 110-18=92

C)

8+3-2+4= 11+2= 13

D)

5-45-10+60= - 40+50= 10

E)

43-25-3+65= 18+62=80