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132:{[3×(2×13-20)+9]:9+15+(5+2×5)}

Răspuns :

132:[(3*6+9):9+15+15]
132:(18:9+15+15)
132:(2+15+15)
132:32=4.125

132:{[3x(26-20)+9]:9+15+(5+10)}=
132:{[3x6+9]:9+15+15}=
132:{[18+9]:9+15+15}=
132:{27:9+15+15}=
132:{3+15+15}=
132:{18+15}=
132:33=
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