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57 Efectuează:
1000 – (864:2+ 336:3+ 648:2) =
(555:5+ 464:2-969:3 +888:4): 2 - 97 =
(468:2 +848:4+ 646:2 + 777 : 7) +4:2=
(636:3 - 448:4+ 696:3+ 268:2):2x3=
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Va rog am nevoie urgent eu le-aș face pe calculator dar nu am timp

Răspuns :

Dacianaszilagyiask

Răspuns:

1000 - ( 864 : 2 + 336 : 3 + 648 : 2 ) = 132

1000 - ( 432 + 112 + 324 ) =

1000 - 868 = 132

( 555:5+464:2-969:3+888:4) : 2 - 97 = 24

( 111 + 232 - 323 + 222) : 2 - 97 =

( 343 - 323 + 222 ) : 2 - 97 =

( 20 + 222 ) : 2 - 97 =

242 : 2 - 97 =

121 - 97 = 24

( 468 : 2 + 848 : 4 + 646 : 2 + 777:7 ) + 4 : 2 = 882

( 234 + 212 + 323 + 111 ) + 4 : 2 =

880 + 4 : 2 =

880 + 2 = 882

( 636:3-448:4+696:3+268:2):2×3 = 699

( 212 - 112 + 232 + 134 ) : 2 × 3 =

( 100 + 232 + 134 ) : 2 × 3 =

( 332 + 134 ) : 2 × 3 =

466 : 2 × 3 =

233 × 3 = 699

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