Question

Quanto é: -17+43+14+23-45=
24-7-8-10-4+31-19=
19-21+36-100-35+100=
-23+24-25+26-27+28=
210+60-126+63-208+117=
-99+85-121-310+420+115=

Answer 1

Resposta:

a) -17+43+14+23-45=

26+14+23-45=

40+23-45=

63-45=

18

b) 24-7-8-10-4+31-19=

17-8-10-4+31-19=

9-10-4+31-19=

-1-4+31-19=

-5+31-19=

26-19=

7

c)19-21+36-100-35+100=

-2+36-100-35+100=

34-100-35+100=

-66-35+100=

-101+100=

-1

d) -23+24-25+26-27-28=

1-25+26-27+28=

-24+26-27+28=

2-27+28=

-25+28=

3

e) 210+60-126+63-208+117=

270-126+63-208+117=

144+63-208+117=

207-208+117=

-1+117=

116

f) -99+85-121-310+420+115=

-14-121-310+420+115=

-135-310+420+115=

-445+420+115=

-25+115=

90

Espero ter te ajudado