Question

Resuelve estos problemas
A. - (16+14-20)-(12-18-15)
B. - 12+[168÷-12+20-(3×4+(-15)]
C. - 15×-2+[-81÷3+[-15+24-(-18-2)]
D.32-{-14+25-[-12+13-(-19+17)]
E. - 20-(-19)+14-15

Answer 1

A.- 1.(16+14-20)-(12-18-15)

2. (30) -. (9)

3. 27