Question

c) 45 + { 15 - [( 10 - 8) + (7 - 4) - 3)-4}​

Answer 1

45+{15-[2+3-3]-4}

45+{15-[2]-4}

45+{15-2-4}

45+{9}

45+9

54

espero que esteja certo kk