Question

а)– (516 – 56) – (316 – 16) =
б) (34 – 215) – (115 + 14) =
в)– (38 – 57) + (78 – 57) =

-это дробь

Answer 1

– (516 – 56) – (316 – 16)=-7 23-5=-12 23
(34 – 215) – (115 + 14) =3760-1960=310
– (38 – 57) + (78 – 57)=1956+956=12