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Efectuează: 9+{9+9*[9+9*(9-9:3)]}=? 4+3*8+{[(3*8-6)+2*3]:4+6}=? 1+{2*[3+(14+16):5]-54:9}*63:7=? 7+[25*4:10+5*(36-2*15)]:8=?

Răspuns :

9+{9+9*(9-9:3)]}= 9+(9+9*6)=9+9+54=72

4+3*8+{[(3*8-6)+2*3]:4+6}= 4+24+(18+6):4+6= 28+6+6=40

1+{2*[3+(14+16):5]-54:9}*63:7=1+[2*8-6]*9=91

7+[25*4:10+5*(36-2*15)]:8= 7+(10+5*6):8= 7+5=12
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