Răspuns :

PutereDinuid

[tex]\bold{1.} \ [(1 \ 680:56+7 \ 084:46)-(9 \ 828:78-110)+115]= \\ =(30+154)-(126-110)+115=\\=184-16+115=\\=168+115=\boxed{283}; \\\\ \bold{2.} \ (963+37):1\ 000+1 \ 000\cdot 77= \\=1 \ 000:1 \ 000+77 \ 000=\\=1+77 \ 000=\boxed{77 \ 001}; \\\\ \bold{3.} \ 3\cdot[90:45+2\cdot(69:13+10)]+105:3=\\=3\cdot[2+2\cdot (23+10)]+35=\\=3\cdot(2+2\cdot 33)+35=\\=3\cdot (2+66)+35=\\=3\cdot 68+35=\\=204+35=\boxed{239};[/tex]

[tex]\bold{4.} \ 837+34\cdot (125 \cdot 137-75\cdot 149):100+44 \ 400:24=\\= 837+34\cdot (17 \ 125-11 \ 175):100+1 \ 850= \\ =837+34 \cdot 5 \ 950:100+1 \ 850=\\=837+202 \ 300:100+1 \ 850=\\=837+2 \ 023+1 \ 850=\\=2 \ 860-1 \ 850=\boxed{1 \ 010}; \\\\ \bold{5.} \ [(408:2+100:2)\cdot 4-65\cdot 3]\cdot 270+529 \ 821:81=\\=[(204+50)\cdot 4-195]\cdot 270+6 \ 541=\\=(254\cdot 4-195)\cdot 270+6 \ 541=\\=(1 \ 016-195)\cdot 270+6 \ 541=\\=821 \cdot 270+6 \ 541= \\ =221 \ 670+6 \ 541=\boxed{228 \ 211}.[/tex]

Dianageorgiana794id

Răspuns:

1) = [(30+154)-(126-110)+115=184-16+115=283

2) = 1000:1000+77000=1+77000=77001

3) = 3(2+2·69:13

4) = 837+34·(17125-11175):100+1850=

837+34·5950:100+1850=834+2023+1850=4707

5) [(204+50)·4-195]·270+6541=

(254·4-195)·270+6541=821·270+6541=221670+6541=228211