Question

21 {7 + [-4 (-4 * -3) + 5 - (-11 + 2)] + 10}
Con procedimiento PLEASE

Answer 1

Respuesta:

21 {7 + [ -4 ( +12) +5 - (-9)] + 10}

21 {7 + [ -48 +5 +9)] +10}

21 {7 + [ -48 +14] +10}

21 {7 + [ -34] +10}

21 { 7 -34 +10}

21 { +17 -34}

21 { -17}

-357