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a fost răspuns

[(1•2+2•3+3•4):5]•6-7va rog 24+12:[16-2•(1+2la puterea2)]

Răspuns :

[(1x2+2x3+3x4):5]x6-7=
[(2+6+12):5]x6-7=
(20:5)x6-7=
4x6-7=
24-7=17

24+12:[16-2x(1+2^2)]=
24+12:16-2x(1+4)]=
24+12:(16-2x5)=
24+12:(16-10)=
24+12:6=
24+2=26

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