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Rezolvati rpd ex
20-[56:7×2+28:(12-15:3)]=

Răspuns :

Kyutiee
20-[56:7×2+28:(12-15:3)]=
20-[56:7×2+28:(12-5)]=
20-(56:7×2+28:7)=
20-(8×2+28:7)=
20-(16+4)=
20-20=
0
Cocirmariadenis

20 - [ 56 : 7 × 2 + 28 : ( 12 - 15 : 3 ) ] = 0

= 20 - [ 8 × 2 + 28 : ( 12 - 5 ) ] =

= 20 - ( 16 + 28 : 7 ) =

= 20 - ( 16 + 4 ) =

= 20 - 20 =

= 0

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