Question

15 + 3 x 7 – 2 x 3 + 8 : 2 =
1440 : { 30 x [ 20 + ( 49 - 35 ) x 2 ] } =
23+v33=
COMPLETO E COM EXLICAÇAO PFV

Answer 1

Resposta:

15 + 21 - 6 + 3 =

39 - 6 =

33

1440:{30×[20+(49-35)×2]}=

1440:{30×[20+(+14)×2]}=

1440:{3×[20+14×2]}=

1440:{3×[20+28]}=

1440:{3×[48]}=

1440:{3×48}=

1440:{144}=

1440:144=

10