Question

Determine o valor de a) -10 + 11 -12 + 13 - 14 + 15 -16 + 17 - 15 + 14 - 13 + 12 - 11 + 10 = b) - 20 - 30 - 40 + 40 + 30 - 50 - 60 - 70 + 70 + 60 - 80 - 90 - 100 = por vou e urgente

Answer 1

Resposta:

a) −10+11−12+13−14+15−16

+17−15+14−13+12−11+10 = 1

b) −20−30−40+40+30−50−60

−70+70+60−80−90−100= -340