Question

1 A -25+18+9+(-15)-(-13)

1B (-40) : (-2) . 15-100

1C (-7). (-5) - (-37) - 72

Answer 1

Resposta:

A) -25+18+9-15+13=

+18+9+13-25-15=

40-40=

0

B)(-40)÷(-2).15-100=

20.15-100=

300-100=

200

C)(-7).(-5)-(-37)-72=

35+37-72=

72-72=

0