Question

Determine os produtos:


a)(-2) . (-5) . (+11)=


b)(+7) . (-8) . (+2) . (-1)=


c)(-1) . (-1) . (-1) . (-1) . (-1) =


d) 5 . (-4) . (-10) . (-1) . (+2) =​

Answer 1

Resposta:

b)(-2/11).(-3/5) c)(-4/7):(-3/7)

d)5/2:(-1/4) e)-5/12 -7/10

f)6-1.[1/2-(-1/5).-(3/2)]+(-2/7).(-7/10)

g)(-11/8+1):(1+1/8)+(-1-1/2)