Question

a) 20 + (+10) + (-90) + (+90) + (-40) + (50) b) 20 + (+10) + 0 + (-40) + (+50) c) 30 +0 + (-40) + (50) d) (-40) + (30) + (50) ME AJUDEM PLSS

Answer 1

Resposta:

a) 20+ 10- 90+ 90- 40+ 50=

30-90+90-40+50

30-40+50

-10+50

40

b) 20+ 10+ 0- 40+ 50=

30+0-40+50

30-40+50

-10+50

40

c) 30+ 0- 40+ 50=

30-40+50

-10+50

40

d) -40+ 30+ 50=

-10+50

40

Explicação passo-a-passo:

Answer 2

Resposta:

oi eu so sei a

a)  20+ 10- 90+ 90- 40+ 50=

30-90+90-40+50

30-40+50

-10+50

40