Question

4{[-5(4+12- -5)]÷[30÷(-11- -1)]}​

Answer 1

Explicación paso a paso:

los paréntesis que puse no afecta :

4 { [ - 5 ( 4 + 12 - ( - 5 ) ) ] ÷ [ 30 ÷ ( - 11 - ( - 1 ) ] }

4 { [ - 5 ( 16 + 5 ) ] ÷ [ 30 ÷ ( - 11 + 1 ) ] }

4 { [ - 5 ( 21 ) ] ÷ [ 30 ÷ ( - 10 ) ] }

4 { [ - 105 ] ÷ [ - 3 ] }

4 { 35 }

140