Question

Por favor bbs quero cálculos

Answer 1

respostas

a)15+2-3+4-20

= 17-3+4-20

= 14+4-20

=18-20

=-2

b)V-16 + V-4 - V-100

= 4+2=6- V-100

= 6-10= -4

c)(-4)•(-3)+[2+(+10)÷(+5)-6]

= 12+[2+2-6]

= 12-2

= +10

2

d)(-3) -3+1-6

= -9-3+1-6

= +17

2

e)-3-{-2-[(-8)÷(+2)+3]}

= -3-{-2-[-4+3]}

= -3-{-2+7}

= -3+9

=-3