Question

Rezolva.1) [121-80:(1596:57+4992:96)-20:(1750:25-3000:60)]-119=. 2). 6000-[(48×16+36×18+69):45+(1105:85+97×35)]=

Answer 1

[121-80:(1596:57+4992:96)-20:(1750:25-3000:60)]-119=
=[121-80:(28+52)-20:(70-50)]-119=
=[121-80:80-20:20-119=
=[121-1-1-119
=[120-1-119
=119-119
=0




6000-[(48×16+36×18+69):45+(1105:85+97×35)]=
=6000-[(768+648+69):45+(13+3395)]=
=6000-[(1416+69):45+3408=
=6000-1485:45+4408=
=6000-33+4408
=5967+4408
=10375