Question

Elimine os parênteses:
a)-(-6+4-1)
b)-6-(-3+2)
c)18-(-5-2-3)
d)20-(-6+8)-(1+3)
e)-32-1-(-12+14)
f)-14+{-[4(-2)+(-50+39)]}
g)41+{25-[14+(17+28)]-10}
h)[-20.(4-9)]:(-5)
i)16+18:(-9)=7+(-5-6)-(-9+3)

Answer 1

a) 6-4+1 b)-6+3-2 c)18+5+2+3 d) 20+6-8-1-3 e)-32-1+12-14 f)-14+8-11