Question

Desenvolva as expressões abaixo
b) {48- [ 27 ÷ 3 + ( 5 + 9 - 2 ) . 3 ] + 11 - 2}

Answer 1

$\{48- [ 27 \div 3 + ( 5 + 9 - 2 ) \cdot 3 ] + 11 - 2\}$

$\{ 48-[9+(14-2)\cdot3]+11-2\}$

$\{48-[9+(12)\cdot3]+11-2\}$

$\{48-[9+36]+11-2\}$

$\{48-[45]+11-2\}$

$\{ 3+11-2\}$

$\{ 14-2\}$

$\red{\boldsymbol{12 }}$