Question

4-{(-2)ao quadrado. (-11+(-3).(-4)]-(-1)}

Answer 1

4-{(-2)². (-11+(-3).(-4)]-(-1)}

4-{4. (-11+(-3).(-4)]-(-1)}

4-{4. (-11+(-3).(-4)]+1}

4-{4. (-11+12]+1}

4-{4. (1]+1}

4 -{4+1}}

4-5 =-1