Question

resolva as seguintes operaçoes <br />a)-2+3.-3+2-8+6.-5<br />b) -4÷+2-3+1.-5+2<br />C)-4÷+2-3+1.-5+2​

Answer 1

a) -2+3×(-3)+2+6×(-5)

= -2-9+2-30

= -11-28

= -39

b)-4÷2-3+1×(-5)+2

= -2-3-5+2

= -5-5+2

= -10+2

= -8