{[2x(3+7)-15]x[3+4x(1+2)-14]+2}÷7
{[2x(3+7)-15]x[3+4x(1+2)-14]+2}÷7
499
punti
Livello 1
{[2x(3+7)-15]x[3+4x(1+2)-14]+2}÷7
${[2×10-15]×[3+4×3-14]+2}÷7$
${[20-15]×[3+12-14]+2}÷7$
${5×1+2}÷7$
$7÷7=1$
1113
punti
Livello 3
$\{[2×(3+7)-15]×[3+4×(1+2)-14]+2\}÷7$ =
= $\{[2×10-15]×[3+4×3-14]+2\}÷7$ =
= $\{[20-15]×[3+12-14]+2\}÷7$ =
= $\{5×1+2\}÷7$ =
= $\{5+2\}÷7$ =
= $7÷7$ =
= $1$
68268
punti
Genius I